Improve README.md

[sarjona]

• Update references from integration.moodle.org.
• Update when Integration exposed happens.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.88%. Comparing base (82054d0) to head (ee22241).
Report is 2 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #101      +/-   ##
============================================
+ Coverage     84.73%   84.88%   +0.14%     
  Complexity       83       83              
============================================
  Files             2        2              
  Lines           249      258       +9     
============================================
+ Hits            211      219       +8     
- Misses           38       39       +1     

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[junpataleta]

Looks good, Sara! I just have a minor suggestion about the integration exposed note.

Cheers!

[junpataleta]

Thanks, Sara! Merged!