add owner to readme

[gruebel]

Changes

• added myself as owner for Datadog + Resource Detectors (relates to Add owner to readme for some components #163)
• also added the missing badges to the Resource Detectors readme

Merge requirement checklist

• CONTRIBUTING guidelines followed
• Unit tests added/updated (if applicable)
• Appropriate CHANGELOG.md files updated for non-trivial, user-facing changes
• Changes in public API reviewed (if applicable)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 53.6%. Comparing base (f7c24ca) to head (19aeb87).
Report is 2 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #164   +/-   ##
=====================================
  Coverage   53.6%   53.6%           
=====================================
  Files         43      43           
  Lines       6166    6166           
=====================================
  Hits        3306    3306           
  Misses      2860    2860           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[cijothomas]

Thank you!