add release.yml to 1.18.1

.github/workflows/release.yml

@@ -0,0 +1,44 @@
+name: Release
+
+on:
+    release:
+        types:
+            - published
+    workflow_dispatch:
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/cache@v2
+              with:
+                  path: |
+                      ~/.gradle/loom-cache
+                      ~/.gradle/caches
+                      ~/.gradle/wrapper
+                  key: gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+                  restore-keys: |
+                      gradle-
+            - uses: actions/checkout@v2
+            - name: Set up JDK
+              uses: actions/setup-java@v1
+              with:
+                  java-version: 17
+
+            - name: Pull submodules
+              run: git submodule update --init --recursive
+
+            - name: Grant execute permission for gradlew
+              run: chmod +x gradlew
+
+            - name: Build and publish with Gradle
+              run: ./gradlew build publish
+              env:
+                  CURSEFORGE: ${{ secrets.CURSEFORGE }}
+                  MODRINTH: ${{ secrets.MODRINTH }}
+                  CHANGELOG: ${{ github.event.release.body }}
+            - name: Upload GitHub release
+              uses: AButler/upload-release-assets@v2.0
+              with:
+                  files: 'build/libs/*.jar;!build/libs/*-sources.jar;!build/libs/*-dev.jar'
+                  repo-token: ${{ secrets.GITHUB_TOKEN }}