Update Localazy readme.

[pixlwave]

Type of change

• Feature
• Bugfix
• Technical
• Other :

Content

The docs are out of date following the nesting changes for web. This PR updates them.

Checklist

• Changes have been tested on an Android device or Android emulator with API 23
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/vector-im/element-x-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request includes a new file under ./changelog.d. See https://github.com/vector-im/element-x-android/blob/develop/CONTRIBUTING.md#changelog
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off
• You've made a self review of your PR

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (3a920f1) 57.37% compared to head (09871c7) 57.37%.
Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1204   +/-   ##
========================================
  Coverage    57.37%   57.37%           
========================================
  Files         1044     1044           
  Lines        27249    27249           
  Branches      5610     5610           
========================================
  Hits         15634    15634           
  Misses        9185     9185           
  Partials      2430     2430           

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[bmarty]

LGTM, thanks!