Add CI

Author: kevinthegreat1

.github/workflows/build.yml

@@ -0,0 +1,46 @@
+# Automatically build the project and run any configured tests for every push
+# and submitted pull request. This can help catch issues that only occur on
+# certain platforms or Java versions, and provides a first line of defence
+# against bad commits.
+
+name: build
+on: [ pull_request, push ]
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Checkout NEU Repo
+        uses: actions/checkout@v4
+        with:
+          repository: 'NotEnoughUpdates/NotEnoughUpdates-REPO'
+          path: 'NotEnoughUpdates-REPO' # This is consistent with the repo path defined in NEURepoParserTest.java
+
+      - name: Validate gradle wrapper
+        uses: gradle/actions/wrapper-validation@v3
+      - name: Setup JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: 21
+          distribution: 'microsoft'
+      - name: Make gradle wrapper executable
+        run: chmod +x ./gradlew
+
+      - name: Build
+        run: ./gradlew build
+
+      - name: Store test reports
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: reports
+          path: |
+            **/build/reports/
+            **/build/test-results/
+      - name: Capture build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: Artifacts
+          path: build/libs/