security scheme documentation updates

Author: Sector95

aws_lambda_powertools/event_handler/openapi/models.py

@@ -363,7 +363,7 @@ class SecuritySchemeType(Enum):
     http = "http"
     oauth2 = "oauth2"
     openIdConnect = "openIdConnect"
-    mutualTLS = 'mutualTLS'
+    mutualTLS = "mutualTLS"
 
 
 class SecurityBase(OpenAPIExtensions):

docs/core/event_handler/api_gateway.md

@@ -1111,6 +1111,7 @@ OpenAPI 3 lets you describe APIs protected using the following security schemes:
 | [API keys](https://swagger.io/docs/specification/authentication/api-keys/https://swagger.io/docs/specification/authentication/api-keys/){target="_blank"} (e.g: query strings, cookies) | `APIKey`        | API keys in headers, query strings or [cookies](https://swagger.io/docs/specification/authentication/cookie-authentication/){target="_blank"}.                                                                                                                                      |
 | [OAuth 2](https://swagger.io/docs/specification/authentication/oauth2/){target="_blank"}                                                                                                | `OAuth2`        | Authorization protocol that gives an API client limited access to user data on a web server.                                                                                                                                                                                        |
 | [OpenID Connect Discovery](https://swagger.io/docs/specification/authentication/openid-connect-discovery/){target="_blank"}                                                             | `OpenIdConnect` | Identity layer built [on top of the OAuth 2.0 protocol](https://openid.net/developers/how-connect-works/){target="_blank"} and supported by some OAuth 2.0.                                                                                                                         |
+| [Mutual TLS](https://swagger.io/specification/#security-scheme-object){target="_blank"}.                                                                                                | `MutualTLS`     | Client/server certificate mutual authentication scheme. |
 
 ???-note "Using OAuth2 with the Swagger UI?"
     You can use the `OAuth2Config` option to configure a default OAuth2 app on the generated Swagger UI.