Merge branch 'master' of github.com:actix/actix-web

update migration

prep actix-framed release

Enable GitHub Actions and fix file URL behavior (actix#1232)

* Use GitHub Actions

* Fix unused imports on Windows

* Fix test for Windows

* Stop to run CI for i686-pc-windows-msvc for now

* Use `/` instead of `\` on Windows

* Add entry to changelog

* Prepare actix-files release

add links to configs

update changes

update changes

update changes

Replace brotli with brotli2 actix#1224

update changes