feat: Implement Canvas rendering system and VitePress exporter plugin

- Add Canvas rendering implementation in `notes/render-canvas.md`
- Create VitePress exporter plugin in `src/main.ts` with commands for exporting notes
- Implement settings management for the plugin in `src/settings.ts`
- Add CSS file for potential styling needs
- Create version bump script in `version-bump.mjs` for managing versioning
- Initialize version tracking in `versions.json`

.github/workflows/lint.yml

@@ -0,0 +1,28 @@
+name: Node.js build
+
+on:
+    push:
+        branches: ["**"]
+    pull_request:
+        branches: ["**"]
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+
+        strategy:
+            matrix:
+                node-version: [20.x, 22.x]
+                # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+        steps:
+            - uses: actions/checkout@v4
+            - name: Use Node.js ${{ matrix.node-version }}
+              uses: actions/setup-node@v4
+              with:
+                  node-version: ${{ matrix.node-version }}
+                  cache: "npm"
+            - run: npm ci
+            - run: npm run build --if-present
+            - run: npm run lint
+