docs: add doctor and example commands to README

Author: gmegidish

README.md

@@ -36,6 +36,7 @@ await screen.getByLabel('Password').fill('password123');
 await screen.getByRole('button', { name: 'Sign In' }).tap();
 
 await expect(screen.getByText('Welcome back')).toBeVisible();
+const screenshot = await screen.screenshot();
 
 await device.close();
 ```
@@ -45,6 +46,14 @@ await device.close();
 - Node.js >= 18
 - A booted iOS simulator, Android emulator, or connected real device
 
+Run `mobilewright doctor` to verify your environment is ready:
+
+```bash
+npx mobilewright doctor
+```
+
+It checks Xcode, Android SDK, simulators, ADB, and other dependencies — and tells you exactly what's missing and how to fix it. Add `--json` for machine-readable output.
+
 ## Packages
 
 | Package | Description |
@@ -280,12 +289,26 @@ The `device` fixture connects once per worker (reading from `mobilewright.config
 
 ## CLI
 
+### `mobilewright init`
+
+Scaffold a `mobilewright.config.ts` and `example.test.ts` in the current directory. Skips files that already exist.
+
 ```bash
-# List all connected devices, simulators, and emulators
-npx mobilewright devices
+npx mobilewright init
+```
+
 ```
+created  mobilewright.config.ts
+created  example.test.ts
+```
+
+### `mobilewright devices`
+
+List all connected devices, simulators, and emulators.
 
-Example output:
+```bash
+npx mobilewright devices
+```
 
 ```
 ID                                      Name                     Platform  Type        State
@@ -294,10 +317,33 @@ ID                                      Name                     Platform  Type
 5A5FCFCA-27EC-4D1B-B412-BAE629154EE0    iPhone 17 Pro            ios       simulator   booted
 ```
 
-## Tests
+### `mobilewright test`
+
+Run your tests. Auto-discovers `mobilewright.config.ts` in the current directory.
+
+```bash
+npx mobilewright test
+npx mobilewright test login.test.ts         # run a specific file
+npx mobilewright test --grep "sign in"      # filter by test name
+npx mobilewright test --reporter html       # generate HTML report
+npx mobilewright test --retries 2           # retry flaky tests
+npx mobilewright test --workers 4           # parallel workers
+npx mobilewright test --list                # list tests without running
+```
+
+### `mobilewright show-report`
+
+Open the HTML report generated by `--reporter html`.
+
+```bash
+npx mobilewright show-report
+npx mobilewright show-report mobilewright-report/
+```
+
+## Contributing
 
 ```bash
-# Run all unit tests
+# Run the repository's own unit tests
 npm test
 ```