Feat/gh workflow pr check

.github/workflows/pr-title-validation.yml

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+---
+name: PR Title Validation
+on:
+  workflow_call:
+    inputs:
+      regex:
+        description: "Regex to validate PR title"
+        required: false
+        type: string
+        default: '^(Feat:|feat:|Fix:|fix:|Docs:|docs:|Test:|test:|ci:|refactor:|chore:|revert:) '
+
+jobs:
+  pr-title-check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Validate PR title
+        run: |
+          echo "PR Title: '${{ github.event.pull_request.title }}'"
+
+          TITLE="${{ github.event.pull_request.title }}"
+          REGEX="${{ inputs.regex }}"
+
+          if [[ ! "$TITLE" =~ $REGEX ]]; then
+            echo "::error::Invalid PR title."
+            echo "::error::Title must start with one of:"
+            echo "::error::Feat:, feat:, Fix:, fix:, Docs:, docs:, Test:, test:, ci:, refactor:, chore:, revert:"
+            exit 1
+          fi
+
+          echo "PR title is valid ✅"[PR Title Validation Workflow](https://github.com/clouddrove/github-shared-workflows/blob/master/.github/workflows/pr-title-validation.yml)
+...

docs/31.pr-title-validation.md

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+## [PR Title Validation Workflow](https://github.com/clouddrove/github-shared-workflows/blob/master/.github/workflows/pr-title-validation.yml)
+
+This workflow is used to **validate Pull Request titles** using GitHub Actions.
+It enforces a standardized PR title format (for example: `feat:`, `fix:`, `docs:`) to maintain consistency across repositories.
+
+## Usage
+
+The PR Title Validation workflow is automatically triggered on Pull Request events such as:
+
+- opened
+- edited
+- synchronized
+- reopened
+
+To use this shared workflow, add the following workflow definition to your repository:
+
+```
+.github/workflows/pr-title-validation.yml
+```
+
+---
+
+## Example Usage
+
+```yaml
+name: PR Validation
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize, reopened]
+
+jobs:
+  pr-title-validation:
+    uses: clouddrove/github-shared-workflows/.github/workflows/pr-title-validation.yml@master
+
+```
+
+---
+
+## Example with Custom Regex (Optional)
+
+You can override the default PR title regex if your repository follows a different convention (for example, enforcing JIRA tickets).
+
+```yaml
+name: PR Validation
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize, reopened]
+
+jobs:
+  pr-title-validation:
+    uses: clouddrove/github-shared-workflows/.github/workflows/pr-title-validation.yml@master
+    with:
+      regex: '^(feat|fix|docs|chore|refactor|ci|test)\([A-Z]+-[0-9]+\): '
+
+```
+
+### Example Valid PR Titles
+
+```
+feat: add user login flow
+fix: resolve memory leak
+docs: update README
+
+```
+
+---
+
+## Inputs
+
+| Name | Required | Description |
+| --- | --- | --- |
+| `regex` | ❌ No | Custom regex to validate PR title format. If not provided, the default prefix-based regex is used. |
+
+---
+
+## Behavior
+
+- ✅ If the PR title matches the regex → workflow passes
+- ❌ If the PR title does **not** match → workflow fails and blocks merge
+- ❌ Failure message clearly explains allowed formats