feat: add lint and Docker build CI

.github/workflows/docker-build.yml

@@ -0,0 +1,16 @@
+name: Docker build
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  docker:
+    name: Docker build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build with Docker
+        run: docker build .

.github/workflows/lint.yml

@@ -0,0 +1,23 @@
+name: Lint files
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  lint:
+    name: Lint files
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Cache node modules
+        uses: actions/cache@v4
+        with:
+          path: node_modules
+          key: ${{ runner.OS }}-build-${{ hashFiles('**/package-lock.json') }}
+      - name: Install dependencies and lint files
+        run: |
+          npm ci
+          npm run lint