feat: Height percentiles report (#719)

[Lastpixl]

Hi,

I really like the new WHO weight percentile report... So, here is my contribution proposal: a similar height percentile report (#719).

The implementation is really similar to that of the weight percentile report, it works in a dev environment. The instructions are great, writing this was pleasant! Kudos to the maintainers.
makemessages has generated fuzzy entries for french, I took the liberty of also fixing the few instances unrelated to this change for french.

Thanks for considering it for merging. Feel free to modify it in any way you see fit.

[coveralls]

coverage: 98.791% (-0.2%) from 99.018%
when pulling 8f091a7 on Lastpixl:who-height-percentiles
into d053050 on babybuddy:master.

[cdubz]

Thanks for contributing! Happy to hear it was easy to get going.

I have just one small CR for a variable naming.

Also could you modify:

babybuddy/babybuddy/management/commands/fake.py

Line 89 in 1ef0bb9

self.height = round(uniform(8.0, 12.0), 2)

to pick a starting fake height value that fits the model better? Right now when generating fake data and looking at these new reports we don't see any of the WHO lines because the test data is so much lower. Maybe set this to self.height = round(uniform(45.0, 60.0), 2)?

[Lastpixl]

Thanks for the review, that was a lot of copypasta mistakes on my part... I have applied the requested changes, fixed an additional bug in my last commit.

[Lastpixl]

Should I rebase this against master and update translation files to fix the conflict with locale/zh/LC_MESSAGES/django.po?

[cdubz]

Should I rebase this against master and update translation files to fix the conflict with locale/zh/LC_MESSAGES/django.po?

Oh shoot yeah I forgot this PR also had locale changes. Yes you’ll need to merge in or rebase on master.

[Lastpixl]

Rebased on master, re-ran gulp makemessages -a then gulp compilemessages as part of the rebase of the first commit, the one that adds new strings.

[Lastpixl]

One more rebase to fix formatting

[cdubz]

Looks good. Thanks for contributing! 🎅