* feat: weight percentiles report
https://github.com/babybuddy/babybuddy/issues/512
* fix: formatting on weight percentile graph to extend out only 1 day more than the last weigh in date
https://github.com/babybuddy/babybuddy/pull/708#discussion_r1332335789
* feat: pre-commit lint with black hook
tested and stops the python commit if formatting is bad. then it runs black and fixes the formatting, resulting in a new git change to add/commit again
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Co-authored-by: Christopher Charbonneau Wells <10456740+cdubz@users.noreply.github.com>