1010: Move the localization effort to Weblate r=mergify[bot] a=kaiyou
## What type of PR?
documentation
## What does this PR do?
This PR updates documentation for us to move the localization effort outside of POEditor. POEditor had archived our project and it was linked to my account. I suggest we move to a Weblate instance (hosted at TeDomum for the part I setup).
### Related issue(s)
- closes#916
## Prerequistes
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry in not applicable, you can check it or remove it from the list.
- [x] In case of feature or enhancement: documentation updated accordingly
- [x] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/guide.html#changelog) entry file.
Co-authored-by: kaiyou <pierre@jaury.eu>
Even though RFC5321 2.4 explains that local-parts are to be case-sensitive,
this does not seem to be how EMail is used today. Thus, instead of reverting
user-emails back to being case sensitive, let’s make aliases case-insensitive
too. Not only more consistent, this also allows users to enjoy receiving EMails
from large airlines or car-rental agencies onto their already existing aliases.
For the rare case of case sensitive aliases existing, let’s query for the
forced-lowercase alias only in the event that the preserved-case one isn’t
found …
closes#867
kaiyou