feat: add stale bot workflow and changelog

Co-authored-by: npv2k1 <73846954+npv2k1@users.noreply.github.com>

Author: Copilot

.github/workflows/stale.yml

@@ -0,0 +1,50 @@
+name: Stale Issues and PRs
+
+on:
+  schedule:
+    # Run daily at 00:00 UTC
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v9
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          
+          # Issue settings
+          stale-issue-message: |
+            This issue has been automatically marked as stale because it has not had recent activity. 
+            It will be closed if no further activity occurs within 7 days.
+            If this is still relevant, please leave a comment to keep it open.
+          close-issue-message: |
+            This issue has been automatically closed due to inactivity.
+            Feel free to reopen if this is still relevant.
+          days-before-issue-stale: 60
+          days-before-issue-close: 7
+          stale-issue-label: 'stale'
+          exempt-issue-labels: 'pinned,security,enhancement,bug'
+          
+          # PR settings
+          stale-pr-message: |
+            This pull request has been automatically marked as stale because it has not had recent activity.
+            It will be closed if no further activity occurs within 7 days.
+            If you're still working on this, please leave a comment to keep it open.
+          close-pr-message: |
+            This pull request has been automatically closed due to inactivity.
+            Feel free to reopen and update if you'd like to continue working on this.
+          days-before-pr-stale: 30
+          days-before-pr-close: 7
+          stale-pr-label: 'stale'
+          exempt-pr-labels: 'pinned,security,work-in-progress'
+          
+          # Behavior
+          operations-per-run: 100
+          remove-stale-when-updated: true
+          ascending: false

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+- Comprehensive CI/CD workflows using GitHub Actions
+  - CI workflow for automated testing and building across multiple platforms
+  - Release workflow for automated releases with binaries
+  - PR check workflow for pull request validation
+  - Code quality workflow for continuous code quality monitoring
+- Dependabot configuration for automated dependency updates
+- Issue templates (bug report, feature request)
+- Pull request template
+- Contributing guidelines (CONTRIBUTING.md)
+- Security policy (SECURITY.md)
+- GitHub funding configuration
+- Build status badges in README
+- Comprehensive documentation for CI/CD setup
+
+### Changed
+- Updated README with CI/CD documentation
+- Updated .gitignore to exclude release artifacts
+
+## [1.0.0] - Initial Release
+
+### Added
+- Initial Electron template with TypeScript
+- React 19 integration
+- Vite for fast development and building
+- Tailwind CSS for styling
+- Electron Builder for packaging
+- Secure IPC communication with preload scripts
+- Context isolation and security best practices
+- Development and production build scripts
+- Multi-platform build support (Windows, macOS, Linux)
+
+[Unreleased]: https://github.com/pnstack/template-electron/compare/v1.0.0...HEAD
+[1.0.0]: https://github.com/pnstack/template-electron/releases/tag/v1.0.0