* added cel-shading and outline using inverted hull example

* new screenshot

* added glsl100+120 compat

* updated view

* unnecessary spacing

Co-authored-by: Federico Gherardi <ghera@libero.it>

* Measuring length of an array of codepoints

* Applied style changes and removed default measurement function

* added bounds check

* update from PR feedback

* Add clipboard image implementation for web

* Making sure that are not malloc empty string or image

* removed +1 offset

* update from PR feedback

Typo in find_dependency

This reverts commit ea92677902.

Tested on Windows with Edge and Chrome browsers, the other options do not work:
 - `Module.canvas.requestFullscreen(false, false)` - FAIL
 - `Module.requestFullscreen(false, false)` - FAIL
 - `Module.requestFullscreen()` - FAIL

Tested with latest Emscripten/emsdk 5.0.2

* Testing linux implementation

* Add implementation for ClipboardImage on Linux

* Adding another check to make sure that only X11 include X11 libs

* Adding some comments to explain the magic numbers

* ANDROID: replace android_fopen with linker --wrap=fopen

* ANDROID: add --wrap=fopen linker flag to src/Makefile