automate build with github actions

.github/workflows/gradle.yml

@@ -0,0 +1,45 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-gradle
+
+name: Java CI with Gradle
+
+on:
+  push:
+    branches: [ "dev" ]
+  pull_request:
+    branches: [ "dev" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4.2.1
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+        cache: "gradle"
+    - name: Configure Git User Details
+      run: git config --global user.email "actions@github.com" && git config --global user.name "Github Actions"
+
+    - name: Allow execution of gradlew
+      run: chmod +x ./gradlew
+
+    - name: Execute Gradle build
+      run: ./gradlew build --no-daemon --stacktrace
+
+    - name: Upload nvidium JAR
+      uses: actions/upload-artifact@v4
+      with:
+        name: nvidium
+        path: build/libs/nvidium*.jar
+        if-no-files-found: error