add basic core structure and first parts of antGame implementation

.idea/compiler.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile default="true" name="Default" enabled="true" />
+    </annotationProcessing>
+  </component>
+</project>

build.gradle

@@ -13,4 +13,6 @@ repositories {
 
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.12'
+    compileOnly 'org.projectlombok:lombok:1.18.10'
+    annotationProcessor 'org.projectlombok:lombok:1.18.10'
 }

src/main/java/evironment/antGame/AntWorld.java

@@ -0,0 +1,28 @@
+package evironment.antGame;
+
+import core.DiscreteAction;
+import core.Observation;
+import core.RNG;
+import core.StepResult;
+
+public class AntWorld {
+    private Grid grid;
+
+    public AntWorld(int width, int height, double foodDensity){
+        grid = new Grid(width, height, foodDensity);
+    }
+
+    public AntWorld(){
+        this(30, 30, 0.1);
+    }
+
+    public StepResult step(DiscreteAction<AntAction> action){
+        Observation observation = new AntObservation();
+        return new StepResult(observation, 0.0, false, "");
+    }
+
+    public void reset(){
+        RNG.reseed();
+        grid.initCells();
+    }
+}