* set windows icon live action
* change get icon to insto raw
* remove mobile docs
* format
* fix format
* add file methods to Icon
* Rename action to `ChangeIcon` and tidy up `Icon` modules
* Fix documentation of `icon::Error`
* Remove unnecessary `\` in `icon` documentation
* Remove `etc.` from `Icon` documentation
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Co-authored-by: Héctor Ramón Jiménez <hector0193@gmail.com>
This allows us to introduce a platform-specific `Action` to both `iced_native`
and `iced_web` and remove the `Clipboard` from `Application::update` to maintain
purity.
Additionally, this should let us implement further actions to let users query
and modify the shell environment (e.g. window, clipboard, and more!)