- added gradle workflow back in

.github/workflows/gradle.yml

@@ -0,0 +1,43 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
+
+name: Java CI with Gradle
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+# If your gradlew file is contained in a different subfolder, uncomment the following 3 lines 
+# and add whatever folder it's contained in as "working-directory:"
+# defaults:
+#  run:
+#    working-directory: 
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # This grabs the WPILib docker container
+    container: wpilib/roborio-cross-ubuntu:2024-22.04
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+    # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+    - uses: actions/checkout@v4
+
+    # Grant execute permission for gradlew
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+
+    # Runs a single command using the runners shell
+    - name: Compile and run tests on robot code
+      run: ./gradlew build

README.md

@@ -0,0 +1 @@
+[![Java CI with Gradle](https://github.com/Team612/612-2024-Crescendo/actions/workflows/gradle.yml/badge.svg)](https://github.com/Team612/612-2024-Crescendo/actions/workflows/gradle.yml)