* Update code example to match new sdl2.nim syntax
Signed-off-by: Hieu Luu Danh <hieu@vivu.asia>
* Modify on recommendation of @alaviss
- Removed trailing whitespaces
- Detailed how to compile libnimhcr and libnimrtl
- Fixed some logic in example code
* Modify following recommendations of @alaviss
- Rewording so that it conforms to Windows/Linux/MacOS
Signed-off-by: Hieu Luu Danh <hieu@vivu.asia>
