Migrate from CircleCI to GHA

Author: Goooler

.circleci/config.yml

@@ -0,0 +1,28 @@
+name: CI
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, windows-latest ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          java-version: 21
+      - uses: gradle/actions/setup-gradle@v3
+        with:
+          gradle-home-cache-cleanup: true
+          validate-wrappers: true
+      - run: ./gradlew build