Add Github Actions for building with gradle

Comment out nexus credentials. Default to mavenCentral

Add mavenCentral before vy nexus. Used by external contributors

.github/workflows/build-and-deploy.yml

@@ -0,0 +1,23 @@
+name: build-and-deploy
+
+on: push
+
+jobs:
+  gradle:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v3
+        with:
+          java-version: 17
+          distribution: temurin
+
+      - name: Setup Gradle
+        uses: gradle/gradle-build-action@v2
+
+      - name: Execute Gradle build
+#        env:
+#          NEXUS_USERNAME: ${{ secrets.NEXUS_USERNAME }}
+#          NEXUS_PASSWORD: ${{ secrets.NEXUS_PASSWORD }}
+        run: |
+          ./gradlew build

build.gradle.kts

@@ -30,6 +30,7 @@ else
     System.getenv(name)
 
 repositories {
+    mavenCentral() // Enable if you do not want to use Vy nexus for dependencies, e.g. if you are an external contributor
     maven {
         url = uri("https://nexus.common-services.vydev.io/repository/maven-public")
         credentials {