ci: Add basic build workflow

Signed-off-by: utzcoz <[email protected]>

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: Build
+
+on:
+  push:
+    branches: [ main ]
+    paths-ignore:
+      - '**.md'
+
+  pull_request:
+    branches: [ main ]
+    paths-ignore:
+      - '**.md'
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'adopt'
+          java-version: 17
+
+      - uses: gradle/actions/setup-gradle@v4
+
+      - name: Build
+        run: |
+          ./gradlew build