Add UptimeKuma, Searxng, Wallabag services

- Add uptime-kuma, searxng, and wallabag Docker services with Postgres integration for wallabag
- Add nginx reverse proxy location blocks for /uptime-kuma/, /searxng/, /wallabag/ in both prod and dev templates
- Update entrypoint.sh envsubst to include new HOST/PORT vars
- Add Vite dev proxy entries for all three services
- Update gitea-runner config: add self-hosted label and allow all volumes
- Add Gitea CI/CD workflow

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/ci-cd.yml

@@ -0,0 +1,57 @@
+name: CI/CD
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build-backend:
+    name: Build & Test Backend
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: backend/go.mod
+          cache-dependency-path: backend/go.sum
+
+      - name: Build
+        run: cd backend && go build ./...
+
+      - name: Test
+        run: cd backend && go test ./...
+
+  build-frontend:
+    name: Build Frontend
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: npm
+          cache-dependency-path: vue/package-lock.json
+
+      - name: Install dependencies
+        run: cd vue && npm ci
+
+      - name: Build
+        run: cd vue && npm run build
+
+  deploy:
+    name: Deploy
+    runs-on: self-hosted
+    needs: [build-backend, build-frontend]
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+    steps:
+      - name: Pull latest & redeploy
+        run: |
+          cd /home/adamf/Coding/web_server
+          git pull origin main
+          docker compose up --build -d