Dev: add code QC tools

[datamweb]

Clean code is an important part of programming, so I try to add the following tools to the shield-oauth for extensibility, cleanliness and reliability.
Any person who has the experience of using or solving problems can help in this matter.

• phpstan
  -- [ ] docs: add annotation for phpstan #19
  -- [ ] add github action
• psalm
• phpunit test