ci(ui): add github workflows and issue templates

.github/workflows/deploy.yml

@@ -0,0 +1,55 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+          
+      - name: Install dependencies
+        run: npm ci
+        
+      - name: Build
+        run: npm run build
+        env:
+          BASE_URL: /${{ github.event.repository.name }}/
+          
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+        
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: 'dist'
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.github/workflows/stale.yml

@@ -0,0 +1,37 @@
+name: Stale Issues
+
+on:
+  schedule:
+    - cron: '30 1 * * *'
+  workflow_dispatch:
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/stale@v9
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          days-before-issue-stale: 60
+          days-before-issue-close: 14
+          days-before-pr-stale: 30
+          days-before-pr-close: 14
+          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 14 days.
+            Thank you for your contributions.
+          stale-pr-message: |
+            This PR has been automatically marked as stale because it has not had recent activity.
+            It will be closed if no further activity occurs within 14 days.
+            Thank you for your contributions.
+          close-issue-message: |
+            This issue was closed because it has been stalled for 14 days with no activity.
+          close-pr-message: |
+            This PR was closed because it has been stalled for 14 days with no activity.
+          stale-issue-label: 'stale'
+          stale-pr-label: 'stale'
+          exempt-issue-labels: 'pinned,security,bug'
+          exempt-pr-labels: 'pinned,security'