Add `--response=mime` and `--response=charset` docs (#1179)
Add `--response=mime` and `--response=charset` docs (#1179)

* Add the "display encoding" section in the docs

* Remove repetition

* `--response=mime` / `--response=charset` docs

* Cleanup

* Cleanup

* Cleanup

Co-authored-by: Jakub Roztocil <1d3764b91b902f6b45836e2498da81fe35caf6d6@roztocil.co>
jakubroztocil/httpie,jakubroztocil/httpie,PKRoma/httpie,PKRoma/httpie,jakubroztocil/httpie