Feat: Create main.yml

Might not work initially, requires testing

.github/workflows/main.yml

@@ -0,0 +1,29 @@
+# This workflow will run maven tests when changes are pushed on main, or whenever a pull request is initiated.
+
+name: Maven Tests
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [ "main" ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: [self-hosted]
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up JDK 25
+      uses: actions/setup-java@v4
+      with:
+        java-version: '25'
+        distribution: 'temurin'
+        server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
+        settings-path: ${{ github.workspace }} # location for the settings.xml file
+
+    - name: Run tests
+      run: mvn clean test