chore: add git-acitons for build&test (#10)

* chore: add git-acitons for build&test

* chore: add execute permission

* chore: change unmacthed job name

.github/workflows/gradle-build.yml

@@ -0,0 +1,27 @@
+name: Java CI
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+      - name: Validate Gradle wrapper
+        uses: gradle/wrapper-validation-action@ccb4328a959376b642e027874838f60f8e596de3
+      - name: add execute permission
+        run: |
+          chmod +x ./gradlew 
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@749f47bda3e44aa060e82d7b3ef7e40d953bd629
+        with:
+          arguments: build