feat: add MemPalace Claude Code plugin with hooks and instructions

- Introduced README.md for plugin overview and installation instructions.
- Added hooks configuration in hooks.json for auto-save and pre-compact functionality.
- Implemented stop and pre-compact hooks in bash scripts for memory management.
- Created marketplace.json and plugin.json for plugin metadata and versioning.
- Developed skills and instructions for help, init, mine, search, and status functionalities.
- Added CLI commands for executing hooks and displaying skill instructions.
- Implemented hooks_cli.py for handling hook logic and JSON input/output.
- Enhanced instruction files for user guidance on setup and usage.
- Updated .gitignore to exclude additional files.
- Created GitHub Actions workflow for syncing plugin version on push.

.github/workflows/bump-plugin-version.yml

@@ -0,0 +1,34 @@
+name: Sync Plugin Version
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  sync-version:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Extract version from version.py
+        id: version
+        run: |
+          VERSION=$(python3 -c "exec(open('mempalace/version.py').read()); print(__version__)")
+          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+
+      - name: Update plugin.json
+        run: |
+          jq --arg v "${{ steps.version.outputs.version }}" '.version = $v' .claude-plugin/plugin.json > tmp.json && mv tmp.json .claude-plugin/plugin.json
+
+      - name: Update marketplace.json
+        run: |
+          jq --arg v "${{ steps.version.outputs.version }}" '.plugins[0].version = $v' .claude-plugin/marketplace.json > tmp.json && mv tmp.json .claude-plugin/marketplace.json
+
+      - name: Commit if changed
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add .claude-plugin/plugin.json .claude-plugin/marketplace.json
+          git diff --staged --quiet || git commit -m "chore: sync plugin version to ${{ steps.version.outputs.version }}" && git push