top level examples directory?

[FoamyGuy]

Right now the examples are separated into directories named after the built-in modules that they are illustrating. Some of the pre-commit config is written to assume there will be an examples/ directory. Perhaps it would make the most sense to take the built-in module directories and put them inside of a top level examples/ dir.

We need to verify that the pre-commit config will drill into sub directories though, most circuitpython libraries have their examples directly inside of examples/ and we'll be (at least) one layer deeper in this repo.

[rsbohn]

Since the pylint config is different for examples it would make sense to add the folder. If the pre-commit can't handle nested example folders we could just use the examples pylint config as the default for this project.