ci: integrate ci building process

.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: Java CI with Maven
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+    - uses: actions/setup-java@v3
+      with:
+        distribution: 'temurin'
+        java-version: 17
+        cache: 'maven'
+    - name: change version to SNAPSHOT
+      run: |
+        VER_TAG=$(git describe --tags --abbrev=0)
+        test -z "$VER_TAG" && VER_TAG="0.0.1"
+        mvn versions:set -DnewVersion=${VER_TAG}-SNAPSHOT
+    - name: Build with Maven
+      run: mvn package
+    - name: Upload a Build Artifact
+      uses: actions/upload-artifact@v2
+      with:
+        # Artifact name
+        name: JavaProgramming.jar
+        # A file, directory or wildcard pattern that describes what to upload
+        path: target/**/sw14462-*.jar