Adds GitHub Action Test

.github/workflows/build.yml

@@ -0,0 +1,34 @@
+name: Build
+on: [pull_request]
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Pull Request
+        uses: actions/checkout@v3
+
+      - name: Setup JDK 17
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: temurin
+          cache: gradle
+
+      - name: Validate Gradle Wrapper Integrity
+        uses: gradle/wrapper-validation-action@v1
+
+      - name: Make Gradle wrapper executable
+        run: chmod +x ./gradlew
+
+      - name: Build
+        run: ./gradlew build
+
+      - name: Publish Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+            name: Compiled .jar files
+            path: build/libs/