Merge pull request #380 from brettchaldecott/feat/rails_engine_mount

Feat/rails engine mount

Author: clairekinde11

src/content/docs/developer-tools/sdks/backend/ruby-sdk.mdx

@@ -147,7 +147,14 @@ To enable the AuthController, you need to add the following routes to your `conf
     get "client_credentials_auth" => "auth#client_credentials_auth"
   end
 ```
-### Usage
+
+If you decide instead to use the rails engine, you can add the following to your `config/routes.rb` file:
+
+```ruby
+mount KindeSdk::Engine, at: "/kinde_sdk"
+```
+
+### Usage the AuthController in your application
 To use the AuthController consume the routes in your application. For example in a Rails view file use the auth path to trigger the login flow:
 
 ```ruby
@@ -157,6 +164,35 @@ To use the AuthController consume the routes in your application. For example in
             </a>
         </div>
 ```
+The full list of paths exposed by the controller are the following:
+
+```ruby
+kinde_sdk_auth_path
+kinde_sdk_callback_path
+kinde_sdk_logout_path
+kinde_sdk_logout_callback_path
+kinde_sdk_client_credentials_auth_path
+```
+
+#### Using the engine
+When using the AuthController with the engine your application can use the paths as follows:
+
+```ruby
+        <div class="buttons">
+            <a class="button is-primary" href="<%= kinde_sdk.auth_path %>">
+              <strong>Log in</strong>
+            </a>
+        </div>
+```
+The full list of paths exposed by the engine are the following:
+
+```ruby
+kinde_sdk.auth_path
+kinde_sdk.callback_path
+kinde_sdk.logout_path
+kinde_sdk.logout_callback_path
+kinde_sdk.client_credentials_auth_path
+```
 
 ## Sign in and registration