Transfer mesa-frames examples to mesa-examples

[adamamer20]

[EwoutH]

To test them in CI, you can take a similar approach to:

• Add test script for GIS examples and run that in CI mesa-geo#241

[EwoutH]

@adamamer20 Can I help you with this?

[adamamer20]

@adamamer20 Can I help you with this?

I wanted to close #91 first, I am almost done, ironing out a couple of issues.