docs: update README.md

README.md

@@ -20,6 +20,27 @@ php flarum migrate
 php flarum cache:clear
 ```
 
+## Usage
+
+### setting
+![Snipaste_2023-10-02_06-15-33](https://github.com/FoskyM/flarum-oauth-center/assets/39661663/0e8352bf-0aeb-4605-bd84-aaedf8cae0e8)
+
+### create a client
+![Snipaste_2023-10-02_06-15-52](https://github.com/FoskyM/flarum-oauth-center/assets/39661663/e9879852-f4ec-4a04-9f81-58004692493c)
+
+### set scope for your resources (user.read is default scope)
+![Snipaste_2023-10-02_06-16-06](https://github.com/FoskyM/flarum-oauth-center/assets/39661663/31648ad2-4326-47e0-9d26-c0e3b2f30f8d)
+
+### do it as normal OAuth client
+![Snipaste_2023-10-02_06-16-31](https://github.com/FoskyM/flarum-oauth-center/assets/39661663/1632672e-e631-41bc-b794-40428157b41c)
+
+### get access token after authorized
+![Snipaste_2023-10-02_06-17-00](https://github.com/FoskyM/flarum-oauth-center/assets/39661663/52f1b984-345b-4e09-8b8c-dcdf39712fb3)
+
+### using token to access resources (get or header)
+![Snipaste_2023-10-02_06-17-29](https://github.com/FoskyM/flarum-oauth-center/assets/39661663/aa79ad3b-a480-4d09-9159-359be4518f4b)
+![Snipaste_2023-10-02_06-17-42](https://github.com/FoskyM/flarum-oauth-center/assets/39661663/5054ac5b-da79-4db3-9703-94e10a1cde5f)
+
 ## Links
 
 - [Packagist](https://packagist.org/packages/foskym/flarum-oauth-center)