#4 [setup] Added gradle build github workflow

.github/workflows/gradle.yml

@@ -0,0 +1,24 @@
+---
+name: Gradle Build Check
+on:
+  pull_request:
+    paths:
+      - "gateway/**"
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the Code
+        uses: actions/checkout@v4
+
+      - name: Setup Java
+        uses: actions/setup-java@v3
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Execute Gradle build
+        run: ./gradlew build

.github/workflows/markdown.yml

@@ -1,11 +1,6 @@
 ---
 name: Markdown Check
 on:
-  push:
-    paths:
-      - ".github/workflows/*"
-      - ".markdownlint.yaml"
-      - "**/*.md"
   pull_request:
     paths:
       - ".github/workflows/*"