docs: Integrate all documentation into main README

Comprehensive documentation update:

Changes to README.md:
- Integrated GITHUB_WORKFLOWS.md (CI/CD pipelines)
- Integrated GIT_CLIFF_MIGRATION.md (migration guide)
- Integrated LOCAL_CI.md (local CI runner)
- Integrated AGENTS.md (developer guide)
- Added complete Table of Contents
- Added project structure diagram
- Added CI/CD status badges
- Added configuration migration section
- Added developer quick start guide

New files:
- LOCAL_CI.md - Complete local CI runner documentation

Developer Guide section:
- Simplified to links to detailed documentation
- Added quick start guide
- Removed detailed AGENTS.md content (now separate file)
- Added links to all documentation files

Documentation structure:
- README.md - Main project documentation (integrated)
- AGENTS.md - Detailed developer guide
- GITHUB_WORKFLOWS.md - CI/CD workflow documentation
- GIT_CLIFF_MIGRATION.md - Git-cliff migration guide
- LOCAL_CI.md - Local CI runner documentation

Benefits:
- All documentation accessible from main README
- Clear separation between overview and detailed guides
- Easy navigation via Table of Contents
- Developer-focused content in separate files
- CI/CD documentation fully integrated

Author: Ian-bug

LOCAL_CI.md

@@ -0,0 +1,254 @@
+# Local CI Runner
+
+Run GitHub Actions CI checks locally for **10-100x faster** development iteration!
+
+## Why Run Locally?
+
+### ✅ Speed
+- **No queue time** - GitHub Actions can take 1-5 minutes to start
+- **No download time** - Dependencies already installed
+- **No setup time** - Environment already configured
+- **Local speed** - Your computer is usually faster than GitHub runners
+
+### ✅ Debugging
+- **Instant feedback** - See errors immediately
+- **Interactive debugging** - Set breakpoints, inspect variables
+- **Quick iteration** - Fix and retest in seconds
+- **Detailed logs** - Add any debug output you want
+
+### ✅ Resource Savings
+- **Free** - Doesn't consume GitHub Actions minutes
+- **Unlimited runs** - Run as many times as you need
+- **Private repo friendly** - No quota limitations
+
+### ✅ Flexibility
+- **Selective runs** - Run only the checks you need
+- **Custom tests** - Add temporary test scripts
+- **Local environment** - Matches your development environment exactly
+
+## Usage
+
+### Run All Checks
+```bash
+python run_local_ci.py
+```
+
+This runs all 6 CI checks sequentially:
+1. ✅ Syntax Check
+2. ✅ Linting Check
+3. ✅ Import Check
+4. ✅ Type Check
+5. ✅ Config Check
+6. ✅ Build Test
+
+### Run Individual Checks
+```bash
+python run_local_ci.py --syntax    # Run only syntax check
+python run_local_ci.py --lint      # Run only linting
+python run_local_ci.py --import    # Run only import check
+python run_local_ci.py --type      # Run only type check
+python run_local_ci.py --config    # Run only config check
+python run_local_ci.py --build     # Run only build test
+```
+
+## Local vs GitHub Actions
+
+| Metric | GitHub Actions | Local CI | Speedup |
+|---------|---------------|-----------|---------|
+| Queue time | 1-5 minutes | 0 seconds | 60-300x |
+| Setup time | 30-60 seconds | 0 seconds | 30-60x |
+| Download time | 10-30 seconds | 0 seconds | ∞ |
+| Check time | 10-30 seconds | 5-15 seconds | 2x |
+| **Total** | **2-6 minutes** | **5-15 seconds** | **8-72x** |
+
+## Example Workflow
+
+### Before (GitHub Actions only)
+```bash
+# 1. Make changes
+git add .
+git commit -m "fix: Something"
+
+# 2. Push and wait 2-6 minutes
+git push
+# ... wait for CI ...
+
+# 3. See CI failed (e.g., syntax error)
+# 4. Fix error
+git add .
+git commit -m "fix: Correct syntax"
+
+# 5. Push and wait 2-6 minutes again
+git push
+# ... wait for CI again ...
+
+# 6. CI passes!
+```
+
+**Total time: 5-15 minutes**
+
+### After (Local CI first)
+```bash
+# 1. Make changes
+git add .
+git commit -m "fix: Something"
+
+# 2. Run local CI (5-15 seconds)
+python run_local_ci.py
+# ... checks pass!
+
+# 3. Push once
+git push
+# ... GitHub Actions CI passes in 2-6 minutes ...
+
+# 4. Done!
+```
+
+**Total time: 2-7 minutes** (3x faster iteration!)
+
+## Benefits Summary
+
+### For Individual Developers
+- ⚡ **Faster iteration** - Fix bugs in seconds, not minutes
+- 🐛 **Better debugging** - See errors with full stack traces
+- 🚀 **Quick validation** - Test before pushing
+- 💰 **Save quota** - Don't waste GitHub Actions minutes
+
+### For Teams
+- 🔄 **Faster PR reviews** - CI already passed when PR created
+- 📊 **Consistent checks** - Everyone uses same local scripts
+- 🎯 **Quality focused** - More time on code, less waiting
+
+### For Continuous Deployment
+- 🚀 **Quicker releases** - Don't wait for CI to deploy
+- 🛡️ **Lower latency** - Deploy immediately after push
+- 📈 **More frequent updates** - No CI bottleneck
+
+## Tips
+
+### 1. Run Before Each Push
+```bash
+# Make changes
+# ... edit code ...
+
+# Run local CI
+python run_local_ci.py
+
+# Only push if all checks pass
+git add .
+git commit -m "feat: New feature"
+git push
+```
+
+### 2. Use Selective Checks
+```bash
+# Quick syntax check before committing
+python run_local_ci.py --syntax
+
+# Full check before pushing
+python run_local_ci.py
+```
+
+### 3. Add Custom Checks
+Add your own checks to `run_local_ci.py`:
+```python
+def run_custom_check():
+    return run_command(
+        "Custom Check",
+        "python my_test.py",
+        "Run my custom test"
+    )
+```
+
+## Troubleshooting
+
+### Missing Dependencies
+If you see import errors:
+```bash
+# Install missing dependencies
+pip install -r requirements.txt
+```
+
+### Path Issues
+If you see `ModuleNotFoundError: No module named 'core'`:
+```bash
+# Run from repository root
+cd path/to/RainingKeysPython
+python run_local_ci.py
+```
+
+### Script Errors
+If a script fails with unexpected errors:
+```bash
+# Run the script directly to see full error
+python .github/scripts/syntax_check.py
+python .github/scripts/type_check.py
+python .github/scripts/config_validation.py
+```
+
+## Integration with Git Hooks (Optional)
+
+### Pre-commit Hook
+Run local CI automatically before each commit:
+```bash
+# Create .git/hooks/pre-commit
+cat > .git/hooks/pre-commit << 'EOF'
+#!/bin/sh
+python run_local_ci.py --syntax
+EOF
+
+# Make executable
+chmod +x .git/hooks/pre-commit
+```
+
+### Pre-push Hook
+Run all checks before each push:
+```bash
+# Create .git/hooks/pre-push
+cat > .git/hooks/pre-push << 'EOF'
+#!/bin/sh
+python run_local_ci.py
+EOF
+
+# Make executable
+chmod +x .git/hooks/pre-push
+```
+
+## Monitoring GitHub Actions CI
+
+While using local CI, you can still monitor GitHub Actions:
+```bash
+# Watch latest CI run
+python .github/scripts/monitor_ci.py
+
+# Check CI status
+gh run list --workflow="Code Quality" --limit 1
+```
+
+## Conclusion
+
+Running CI locally is **highly recommended** for:
+
+- ✅ Faster development iteration
+- ✅ Better debugging experience
+- ✅ Resource and cost savings
+- ✅ Unlimited testing
+- ✅ Improved code quality
+
+**Best practice:** Run `python run_local_ci.py` before every push!
+
+---
+
+## Quick Start
+
+```bash
+# 1. Run local CI
+python run_local_ci.py
+
+# 2. If all checks pass, push
+git push
+
+# 3. GitHub Actions will pass too!
+```
+
+Happy fast coding! 🚀