re-adding code

Author: Kevin Harrington

.github/workflows/main.yml

@@ -0,0 +1,29 @@
+# test
+name: CI
+
+on: [push]
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v1
+    - name: Build
+      run: bash build-linux.sh
+
+  windows:
+    runs-on: windows-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v1
+    - name: Build
+      run: make
+
+  macos:
+    runs-on: macos-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v1
+    - name: Build
+      run: make

build.gradle

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+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * This generated file contains a sample Java application project to get you started.
+ * For more details take a look at the 'Building Java & JVM projects' chapter in the Gradle
+ * User Manual available at https://docs.gradle.org/7.2/userguide/building_java_projects.html
+ */
+
+plugins {
+    // Apply the application plugin to add support for building a CLI application in Java.
+    id 'application'
+    id 'eclipse'
+    id 'java'
+}
+
+repositories {
+    // Use Maven Central for resolving dependencies.
+    mavenCentral()
+}
+
+dependencies {
+    // Use JUnit test framework.
+    testImplementation 'junit:junit:4.13.2'
+	implementation group: 'org.bytedeco', name: 'javacpp', version: '1.5.7'
+}
+
+application {
+    // Define the main class for the application.
+    mainClass = 'mujoco.java.App'
+}

gradle/wrapper/gradle-wrapper.jar

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists