Web touch event (#2188)

* feat: add pointer events to web

* feat: remove PointerType for touch events

* Remove duplicate

* Changelog and features

* Remove PointerType

* feat: renamed events, added touch type guard

* Rename

* Flip the y axis

* Fix physical position and add force

* Update comment

* Update features

* Use normalized force

* Remove unnecessary todos

* Update comment

* Refactor add touch_handler

* Rephrase by Liamolucko

* Update CHANGELOG.md

* Fix duplicate mouse and touch events

* Removed workaround for scale factor

* Flip the y axis

* Fix

* Fmt

* Replace `match` with a single pattern with `if let`

* Update documentation

* Have one callback per event

* Remove a comment

* Fix

* Remove y-axis flip

* Update src/event.rs

Co-authored-by: Mads Marquart <mads@marquart.dk>

* Fix platform specific comment

* Fix extra argument to `touch_position` function

Co-authored-by: Dany Sluijk <me@dany.dev>
Co-authored-by: Johan Klokkhammer Helsing <johanhelsing@gmail.com>
Co-authored-by: oscrim <oscar@widefind.se>
Co-authored-by: Mads Marquart <mads@marquart.dk>

FEATURES.md

@@ -205,8 +205,8 @@ Legend:
 |Cursor confining        |✔️       |❌      |✔️       |✔️          |**N/A**|**N/A**|❌       |
 |Cursor icon             |✔️       |✔️      |✔️       |✔️          |**N/A**|**N/A**|✔️        |
 |Cursor hittest          |✔️       |✔️      |❌       |✔️          |**N/A**|**N/A**|❌        |
-|Touch events            |✔️       |❌      |✔️       |✔️          |✔️    |✔️     |❌        |
-|Touch pressure          |✔️       |❌      |❌       |❌          |❌    |✔️     |❌        |
+|Touch events            |✔️       |❌      |✔️       |✔️          |✔️    |✔️     |️✔️        |
+|Touch pressure          |✔️       |❌      |❌       |❌          |❌    |✔️     |️✔️        |
 |Multitouch              |✔️       |❌      |✔️       |✔️          |✔️    |✔️     |❌        |
 |Keyboard events         |✔️       |✔️      |✔️       |✔️          |✔️    |❌     |✔️        |
 |Drag & Drop             |▢[#720]  |▢[#720] |▢[#720]  |❌[#306]    |**N/A**|**N/A**|❓        |