Merge pull request #1 from DevopsArtFactory/docs/add-project-docs-and-english-only

add documents and construts opensource

Author: YoungJinJung

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,27 @@
+---
+name: Bug report
+about: Report a reproducible problem
+labels: bug
+---
+
+## Summary
+Describe the bug clearly.
+
+## Environment
+- OS:
+- CLI version (`ende --version`):
+- Install method:
+
+## Steps to reproduce
+1. 
+2. 
+3. 
+
+## Expected behavior
+
+## Actual behavior
+
+## Logs / output
+```text
+paste logs here
+```

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,17 @@
+---
+name: Feature request
+about: Suggest an improvement
+labels: enhancement
+---
+
+## Problem statement
+What problem are you trying to solve?
+
+## Proposed solution
+Describe your proposed behavior/API/UX.
+
+## Alternatives considered
+What other options did you evaluate?
+
+## Additional context
+Any constraints, examples, or references.

.github/pull_request_template.md

@@ -0,0 +1,18 @@
+## Summary
+Describe what this PR changes.
+
+## Why
+Explain the motivation and impact.
+
+## Changes
+- 
+- 
+
+## Validation
+- [ ] `go test ./...`
+- [ ] docs updated (if behavior changed)
+- [ ] security impact reviewed (if applicable)
+
+## Checklist
+- [ ] Backward compatibility considered
+- [ ] Release notes/changelog impact considered

.github/workflows/release.yml

@@ -0,0 +1,52 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Build release packages
+        env:
+          VERSION: ${{ github.ref_name }}
+          COMMIT: ${{ github.sha }}
+        run: |
+          set -euo pipefail
+          SHORT_COMMIT="$(echo "$COMMIT" | cut -c1-7)"
+          make package VERSION="$VERSION" COMMIT="$SHORT_COMMIT"
+
+      - name: Upload workflow artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ende-release-${{ github.ref_name }}
+          path: |
+            dist/ende*
+            dist/packages/*
+          if-no-files-found: error
+
+      - name: Create GitHub Release and upload assets
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ github.ref_name }}
+          generate_release_notes: true
+          files: |
+            dist/ende*
+            dist/packages/*.tar.gz
+            dist/packages/*.zip
+            dist/packages/SHA256SUMS