Add Certificates page and Traefik API frontend client

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  backend:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.23'
+      - name: Go vet
+        working-directory: backend
+        run: go vet ./...
+      - name: Go test
+        working-directory: backend
+        run: go test ./... -count=1 -v
+
+  frontend:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+          cache-dependency-path: frontend/package-lock.json
+      - name: Install deps
+        working-directory: frontend
+        run: npm ci
+      - name: Run tests
+        working-directory: frontend
+        run: npm run test -- --run
+      - name: Build
+        working-directory: frontend
+        run: npm run build
+
+  docker:
+    runs-on: ubuntu-latest
+    needs: [backend, frontend]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build Docker image
+        run: docker build -f docker/Dockerfile -t traefik-gui:ci .