feat(ci): add PR checks workflow with hadolint, build, and test

.gitea/workflows/pr.yaml

@@ -0,0 +1,34 @@
+name: PR Checks
+
+on:
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@df4cb1c069e1874edd3143118844c72031235010 # v6
+      - name: Hadolint
+        uses: hadolint/hadolint-action@2332a7b74a6de0dda2e2221d575162eba76ba5e5 # v3.3.0
+        continue-on-error: true
+
+  build:
+    runs-on: ubuntu-latest
+    needs: lint
+    steps:
+      - name: Checkout
+        uses: actions/checkout@df4cb1c069e1874edd3143118844c72031235010 # v6
+      - name: Build image
+        run: docker build -t ci-image:${{ github.sha }} .
+
+  test:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Checkout
+        uses: actions/checkout@df4cb1c069e1874edd3143118844c72031235010 # v6
+      - name: Build image
+        run: docker build -t ci-image:${{ github.sha }} .
+      - name: Run tests
+        run: bash tests/test.sh ci-image:${{ github.sha }}