Added TestLens GH Actions workflow

Author: jlink

.github/workflows/testLens.yml

@@ -0,0 +1,23 @@
+# This workflow will run TestLens on main and PRs
+
+name: TestLens
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-java@v5
+        with:
+          distribution: temurin
+          java-version: 21 # or later
+      - uses: gradle/actions/setup-gradle@v5
+      - uses: testlens-app/setup-testlens@v1
+      - run: ./gradlew build