GET /api/user no match 403 about casdoor

[casbin-bot]

@tangyang9464 @JalinWang @imp2002

[hsluoyz]

@filwaline see docs about how to authenticate the Casdoor API: https://casdoor.org/docs/basic/public-api#how-to-authenticate-with-casdoor-public-api

And, don't mess with the Casdoor built-in Casbin policy, if you don't know how to do it correctly

[hsluoyz]

@filwaline and, don't ask "cheap" questions in this issue list. This issue list is for bug reports, or more complicated questions. Not some place to answer the question that can be figured out in 3 minutes by reading docs. Please go to Discord if you want to ask.