* Created python version of new_keymap.sh: new_keymap.py
* Updated usage message
* Updated new_keymap.py to use python3.5+ syntax & be more similar to new_keyboard.sh
* Updated complete message
* Updated usage in argparser and removed incorrect usage_message
* Reverted the fstrings back to strings that use .format() & updated docstring convention
* Added helper to recursively cd .. until at qmk_firmware root directory
* Revert "Added helper to recursively cd .. until at qmk_firmware root directory"
This reverts commit 61a0ff3b25f91901287bec8d58eb51a1f126e2ad.
* Updated new_keymap.py to use printf-style format strings
* First draft lib/python/qmk/cli/new/keymap.py with milc
* Removed shebang & syspath appending lines
* Added optional args & resolved some cr comemnts
* Added a docstring and updated strings
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