Add chapter 1 of LearnOpenGL

[wrathdoesthat]

The examples mostly follow the original naming of the examples unless i had to deviate and implement something in a more odin way (i.e shader functions instead of shader class)

Checklist before submitting:

• This example has been added to .github/workflows/check.yml (for automatic testing)
• This example compiles cleanly with flags -vet -strict-style -vet-tabs -disallow-do -warnings-as-errors
• This example the naming and style convention: https://github.com/odin-lang/examples/wiki/Naming-and-style-convention (exceptions can be made for ports of examples that need to match 1:1 to the original source).
• By submitting, I understand that this example is made available under these licenses: Public Domain and Odin's BSD-3 license. Only for third-party dependencies are other licenses allowed.

[karl-zylinski]

I haven't had time to look in detail yet. But it looks OK so far!

Please investigate the license stuff for the images and any copied shader code etc. The license info is here: https://github.com/JoeyDeVries/LearnOpenGL/blob/master/LICENSE.md and here: https://learnopengl.com/About