chore: add ci action

.github/workflows/ci.yml

@@ -0,0 +1,67 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*.*.*'
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: 21
+          distribution: temurin
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Setup Node 20
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Build with Gradle Wrapper
+        run: chmod +x ./gradlew && ./gradlew build
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: hoshizora-pics-artifact
+          path: build
+          retention-days: 1
+
+  release:
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/')
+    needs: build
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Download artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: hoshizora-pics-artifact
+          path: build
+
+      - name: Generate Changelog
+        run: echo "# Good things have arrived" > ${{ github.workspace }}-CHANGELOG.txt
+
+      - name: release
+        uses: softprops/action-gh-release@v2
+        with:
+          body_path: ${{ github.workspace }}-CHANGELOG.txt
+          files: build/*