Summary

Add basic pre-commit hooks to the repo. To catch, for example, broken symlinks (WorldHealthOrganization/app#1670)
Link: https://github.com/pre-commit/pre-commit-hooks

Possible config file. Should be run against every file in the existing tree to see what issues might come up.

# .pre-commit-config.yaml
-   repo: https://github.com/pre-commit/pre-comm

🙋 Feature Request

🔦 Context

Describe the bug
In the raw database, genders of some patients is missing, and the same is reflected in the cluster by displaying it as female. Also, it may not be possible for the crowd-sourced data to get gender of all the patients. Also, it gives wrong visualization inference, that more females are infected by the virus.

To Reproduce
Steps to reproduce the behavior:

1. Go t

La suma de pacientes por grupos de edad da una cifra mayor al total de pacientes COVID19 ese día. El total informado es 1640 y la suma de los grupos de edad es 2161.

(En producto 8 la suma de totales por región da la cifra correcta)