How to develop plugins?

[zgLiuBing]

Issue description

哪里有开发插件的具体步骤文档呀？哪里可以找apisix项目的目录结构详解呀？

Environment

• apisix version (cmd: apisix version):
• OS (cmd: uname -a):
• OpenResty / Nginx version (cmd: nginx -V or openresty -V):
• etcd version, if have (cmd: run curl http://127.0.0.1:9090/v1/server_info to get the info from server-info API):
• apisix-dashboard version, if have:
• the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner):
• luarocks version, if the issue is about installation (cmd: luarocks --version):

[shuaijinchao]

You can look at the documents in this directory.

https://github.com/apache/apisix/tree/master/docs/en/latest/architecture-design

[juzhiyuan]

see https://apisix.apache.org/docs/apisix/plugin-develop