Create Entity API scaffolding

api/src/main/java/com/bartlomiejpluta/base/api/context/Context.java

@@ -1,5 +1,9 @@
 package com.bartlomiejpluta.base.api.context;
 
+import com.bartlomiejpluta.base.api.entity.Entity;
+
 public interface Context {
    void openMap(String mapUid);
+
+   Entity createEntity(String entitySetUid);
 }

api/src/main/java/com/bartlomiejpluta/base/api/entity/Entity.java

@@ -0,0 +1,15 @@
+package com.bartlomiejpluta.base.api.entity;
+
+import com.bartlomiejpluta.base.api.geo.Vector;
+
+public interface Entity {
+   Vector getCoordinates();
+
+   void setCoordinates(Vector coordinates);
+
+   Movement prepareMovement(Direction direction);
+
+   Direction getFaceDirection();
+
+   void setFaceDirection(Direction direction);
+}