add : build check CI on PR and Push

.github/workflows/ci.yaml

@@ -0,0 +1,36 @@
+name: CI workflow (build check on PR and Push to master)
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+env:
+  JASYPT_ENCRYPTOR_PASSWORD: ${{ secrets.JASYPT_ENCRYPTOR_PASSWORD }}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v3
+        with:
+          java-version: 21
+          distribution: adopt
+
+      - name: Get CurrentTime
+        uses: 1466587594/get-current-time@v2
+        id: current-time
+        with:
+          format: YYYY-MM-DDTHH-mm-ss
+          utcOffset: "+09:00"
+
+      - name: build test
+        run: chmod +x gradlew && ./gradlew build