Merge pull request #549 from righettod/Feature_548

Add ".well-known/jwks.json" path to common.txt file.

Source:

- https://auth0.com/docs/tokens/json-web-tokens/json-web-key-sets
- https://docs.aws.amazon.com/cognito/latest/developerguide/amazon-cognito-user-pools-using-tokens-verifying-a-jwt.html#amazon-cognito-user-pools-using-tokens-step-2
- https://blogs.akamai.com/2019/10/verify-jwt-with-json-web-key-set-jwks-in-api-gateway.html

Discovery/Web-Content/common.txt

@@ -64,6 +64,7 @@
 .well-known/http-opportunistic
 .well-known/idp-proxy
 .well-known/jmap
+.well-known/jwks.json
 .well-known/keybase.txt
 .well-known/looking-glass
 .well-known/matrix