update readme.md

readme.md

@@ -8,4 +8,25 @@
 #### Launching
 1. Download Expo Go on your phone.
 2. Start project with command `npm start`.
-3. Open Expo Go on your phone and scan the QR-code or enter you Expo Go IP server manually.
+3. Open Expo Go on your phone and scan the QR-code or enter you Expo Go IP server manually.
+
+
+#### App Structure
+
+App.tsx                       || App entrypoint file <br>
+Route.tsx                     || App routes <br>
+src/ <br>
+├── components/               || Reusable UI components <br>
+├── constants/                || Secrets and environment variables <br>
+├── modules/                  || API calls and data fetching logic <br>
+├── screens/                  || App screens built with components <br>
+├── storage/                  || Async storage functions <br>
+├── types/                    || Navigation types, enums, and component props <br>
+├── utils/                    || Reusable functions and utilities <br>
+└── theme.ts                  || Global theme styles <br>
+
+
+##### Future updates:
+
+- [ ] Error handler
+- [ ] Rework React-Query