feat: Add index.js to export state classes for turtle state machine

server/states/index.js

@@ -0,0 +1,9 @@
+export { BaseState } from './BaseState.js';
+export { IdleState } from './IdleState.js';
+export { MovingState } from './MovingState.js';
+export { MiningState } from './MiningState.js';
+export { ExploringState } from './ExploringState.js';
+export { GoHomeState } from './GoHomeState.js';
+export { RefuelingState } from './RefuelingState.js';
+export { DumpInventoryState } from './DumpInventoryState.js';
+export { FarmingState } from './FarmingState.js';