Add github actions and dependabot

Author: LunNova

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+    - package-ecosystem: "github-actions"
+      directory: "/"
+      schedule:
+          interval: "daily"
+
+    - package-ecosystem: "gradle"
+      directory: "/"
+      schedule:
+          interval: "daily"

.github/workflows/ci.yml

@@ -0,0 +1,70 @@
+# 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: CI
+
+on:
+    push:
+        branches: [ main ]
+    pull_request:
+        branches: [ main ]
+
+jobs:
+    verify-gradle-wrapper:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - uses: gradle/wrapper-validation-action@v1.0.3
+
+    build:
+        if: "! contains(toJSON(github.event.commits.*.message), '[skip ci]')"
+        runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                jdk: [11, 15]
+        steps:
+            - uses: actions/checkout@v2
+            - uses: actions/cache@v2.1.4
+              with:
+                path: |
+                    ~/.gradle/caches
+                    ~/.gradle/wrapper
+                key: ${{ runner.os }}-jdk-${{ matrix.jdk }}-gradlewrapper-${{ hashFiles('**/gradle-wrapper.properties') }}-gradlescripts-${{ hashFiles('**/*.gradle*') }}
+                restore-keys: |
+                    ${{ runner.os }}-jdk-${{ matrix.jdk }}-gradlewrapper-${{ hashFiles('**/gradle-wrapper.properties') }}-gradlescripts-
+            - name: Set up JDK
+              uses: actions/setup-java@v1
+              with:
+                  java-version: ${{ matrix.jdk }}
+            - run: chmod +x gradlew
+            - run: ./gradlew build --stacktrace --warning-mode all
+
+    release:
+        runs-on: ubuntu-latest
+        needs: [build, verify-gradle-wrapper] # build job must pass before we can release
+
+        if: github.event_name == 'push'
+            && github.ref == 'refs/heads/main'
+            && github.repository == 'MinimallyCorrect/JavaTransformer'
+            && !contains(toJSON(github.event.commits.*.message), '[skip release]')
+
+        steps:
+            - name: Check out code
+              uses: actions/checkout@v2
+              with:
+                  fetch-depth: '0' # https://github.com/shipkit/shipkit-changelog#fetch-depth-on-ci
+
+            - name: Set up Java 11
+              uses: actions/setup-java@v1
+              with:
+                  java-version: 11
+
+            - name: Build and publish to github
+              run: ./gradlew -P releasing publish publishPlugins githubRelease -s
+              env:
+                  GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+                  GRADLE_PUBLISH_KEY: ${{secrets.GRADLE_PUBLISH_KEY}}
+                  GRADLE_PUBLISH_SECRET: ${{secrets.GRADLE_PUBLISH_SECRET}}
+                  DEPLOYMENT_REPO_URL_RELEASE: ${{secrets.DEPLOYMENT_REPO_URL_RELEASE}}
+                  DEPLOYMENT_REPO_URL_SNAPSHOT: ${{secrets.DEPLOYMENT_REPO_URL_SNAPSHOT}}
+                  DEPLOYMENT_REPO_USERNAME: ${{secrets.DEPLOYMENT_REPO_USERNAME}}
+                  DEPLOYMENT_REPO_PASSWORD: ${{secrets.DEPLOYMENT_REPO_PASSWORD}}