sdl: update readme

vlib/sdl/README.md

@@ -1,5 +1,6 @@
 # sdl
-SDL2 V module -- libSDL2 wrapper
+
+SDL2 V module -- libSDL2 wrapper.
 
 Current APIs available/tested in examples:
 - basic graphics (2D drawing)
@@ -10,48 +11,50 @@ Current APIs available/tested in examples :
 - music (MOD mixing)
 - more to come.. (networking ?)
 
-# Support
+## Support
 sdl is supported on:
-- linux (major distros)
+- Linux (major distros)
 - MacOS (brew)
-- windows (msys2/mingw64 only for now)
+- Windows
 
-# Examples
+## Examples
 
 [tVintris](examples/tvintris)
 
-![tVintris screenshot](examples/tvintris/images/tvintris.png)
+![tVintris screenshot](/examples/sdl/tvintris/images/tvintris.png)
 
 You can run the tVintris example from the V root folder like this :
 ```
 v run vlib/sdl/examples/tvintris/tvintris.v
 ```
 
-# Dependencies
+## Dependencies
 
-## Linux
-Fedora :
+### Linux
+
+#### Fedora
 `$ sudo dnf install SDL2-devel SDL2_ttf-devel SDL2_mixer-devel SDL2_image-devel`
 
-Ubuntu :
+#### Ubuntu
 `$ sudo apt install libsdl2-ttf-dev libsdl2-mixer-dev libsdl2-image-dev`
 
-ClearLinux :
+#### ClearLinux
 `$ sudo swupd bundle-add devpkg-SDL2_ttf devpkg-SDL2_mixer devpkg-SDL2_image`
 
-## MacOS
-Brew :
+### MacOS
+
+#### Brew
 `$ brew install sdl2 sdl2_gfx sdl2_ttf sdl2_mixer sdl2_image sdl2_net`
 
 If you get no music with the above, try:
 `$ brew reinstall --build-from-source --force sdl2 sdl2_gfx sdl2_image sdl2_mixer sdl2_net sdl2_ttf webp libtiff libmodplug libogg`
 
-## Windows
-Windows/MSYS2 :
-`$ pacman -S mingw-w64-x86_64-SDL2_ttf mingw-w64-x86_64-SDL2_mixer mingw-w64-x86_64-SDL2_image`
+### Windows
 
-# Contributions
+`$ .github\workflows\windows-install-sdl.bat`
 
-nsauzede
-spytheman
-adlesh
+## Contributions
+
+- nsauzede
+- spytheman
+- adlesh