[Feature] support different databases in APISIX authz-casbin plugin

[lilililizheng]

I am using the Casbin plugin in APISIX and I want to integrate various databases. How can I build it?

• https://github.com/casbin-lua/apisix-authz
• https://apisix.apache.org/docs/apisix/plugins/authz-casbin/

[casbin-bot]

@tangyang9464 @JalinWang

[hsluoyz]

@lilililizheng hi, this is an international community. In order to make people all over the world to understand and learn from your quesiton, please modify all texts (title and content) into English, thanks!

[casbin-bot]

@Edmond-J-A @rushitote @techoner