wxiaoguang 43c7a2e7b1
Refactor names ()
This PR only does "renaming":

* `Route` should be `Router` (and chi router is also called "router")
* `Params` should be `PathParam` (to distingush it from URL query param, and to match `FormString`)
* Use lower case for private functions to avoid exposing or abusing
..
pypi.go Refactor names ()
pypi_test.go Implement FSFE REUSE for golang files ()