Possible start of shifting to Github Actions

I have absolutely no idea if this is gonna work first try, but hey, it's a start and if it don't work, I'll blow it up and start again.

.github/workflows/gradle.yml

@@ -0,0 +1,33 @@
+# This workflow will build a Java project with Gradle
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
+
+name: Build Mod
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Build with Gradle
+      run: ./gradlew build
+    - name: Upload to Release
+      uses: JasonEtco/[email protected]
+      with:
+        args: justenoughids-*.jar
+      env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+