chore: Add gitea runner

.gitea/workflows/deployment.yaml

@@ -0,0 +1,38 @@
+name: Build & Test Desktop JAR
+
+on:
+  push:
+    branches: [main]
+    tags: ["v*"]
+  workflow_dispatch:
+
+jobs:
+  build-jar:
+    runs-on: ubuntu-latest   # your Linux k3s runner
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "21"
+
+      - name: Make gradlew executable
+        run: chmod +x ./gradlew
+
+      # Runs commonTest + jvmTest. If a test fails, the job stops here and no jar is built.
+      - name: Run tests
+        run: ./gradlew --no-daemon jvmTest
+
+      # Cross-platform uber jar (see the build.gradle.kts note below for macOS support)
+      - name: Build uber jar
+        run: ./gradlew --no-daemon packageUberJarForCurrentOS
+
+      - name: Upload jar artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: adbkey-uber-jar
+          path: "**/build/compose/jars/*.jar"
+          if-no-files-found: error