* Initial Pico 2 W Bazel support
Improves compatibility with Pico W and Pico 2 W by fixing issues that
prevented correct linking of wireless libraries.
* Improve correctness and configurability
* Require newer rules_python
* Require rules_python@0.36.0
* Fix missing compatibility expressions
* Minor tweaks
* Minor cleanup
* Update suggested version in Bazel README
* More README tweaks
* Improve Bazel btstack build correctness
