add github workflow

.github/workflows/build.yml

@@ -0,0 +1,31 @@
+name: taboolib-intellij Build
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: 'adopt'
+
+      - name: Build with Gradle
+        run: ./gradlew build shadowJar
+
+      - name: Get Version
+        id: get_version
+        run: echo "VERSION=$(./gradlew -q printVersion)" >> $GITHUB_ENV
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: taboolib-intellij-${{ env.VERSION }}-all
+          path: build/libs/*-${{ env.VERSION }}-all.jar

build.gradle.kts

@@ -63,6 +63,12 @@ tasks {
     }
 }
 
+tasks.register("printVersion") {
+    doLast {
+        println(project.version)
+    }
+}
+
 tasks.runIde {
     maxHeapSize = "4G"