Update README.md

Author: maximcoding

README.md

@@ -63,26 +63,30 @@ Feature-first layout under `src/features`, shared code in `src/shared`.
 - **Repository layout** → [docs/development.md#repository-layout](docs/development.md#repository-layout)
 - **Code rules & ownership** → [AGENTS.md](AGENTS.md)
 
----
-
-## 🔐 Environment Variables
-
-Read at build time via `react-native-config`. See [`.env.example`](.env.example) for defaults. Rebuild the app after any change.
-
-| Variable | Required | Purpose |
-|---|---|---|
-| `API_URL` | For real API | Backend base URL |
-| `USE_MOCK_API` | No | `true` uses mock transport; login pre-fills demo credentials |
-| `WS_URL` | No | WebSocket base URL |
-| `ENV` | No | `development` / `staging` / `production` |
-| `SENTRY_DSN` | No | Enables Sentry error tracking |
-| `SENTRY_ENABLE_IN_DEV` | No | `1` sends Sentry events from `__DEV__` |
-| `SENTRY_TRACES_SAMPLE_RATE` | No | Performance sampling (`0`–`1`) |
-| `CODEPUSH_KEY_IOS` / `CODEPUSH_KEY_ANDROID` | No | Reserved for OTA (no CodePush SDK ships by default) |
-
-Related: [Sentry setup](docs/OPERATIONS.md#sentry) · [OTA policy](docs/OPERATIONS.md#over-the-air-updates)
-
----
+----------
+
+## 🔐 Environment variables
+Values are read at build time via react-native-config.
+See .env.example. Rebuild the app after changing .env.
+
+| Variable                                    | Required     | Purpose                                               |
+| ------------------------------------------- | ------------ | ----------------------------------------------------- |
+| `API_URL`                                   | For real API | Backend base URL                                      |
+| `USE_MOCK_API`                              | No           | `true` / `1` uses the mock transport in dev           |
+| `WS_URL`                                    | No           | WebSocket base URL                                    |
+| `ENV`                                       | No           | Runtime label: `development`, `staging`, `production` |
+| `SENTRY_DSN`                                | No           | Enables Sentry when non-empty                         |
+| `SENTRY_ENABLE_IN_DEV`                      | No           | `1` sends Sentry events from `__DEV__`                |
+| `SENTRY_TRACES_SAMPLE_RATE`                 | No           | Performance sampling value from `0` to `1`            |
+| `CODEPUSH_KEY_IOS` / `CODEPUSH_KEY_ANDROID` | No           | Reserved for OTA; no CodePush SDK ships by default    |
+
+Useful docs:
+
+Sentry setup
+OTA / updates policy
+Publishing / discoverability
+
+----------
 
 ## ⌨️ Key Commands