docs(BagIt): update community contribution and submission guides to a…

[NishaSharma14]

…dd BagIt informations

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.25%. Comparing base (8681915) to head (3b76376).

Additional details and impacted files

@@                Coverage Diff                @@
##             development    #1542      +/-   ##
=================================================
- Coverage          80.26%   80.25%   -0.01%     
  Complexity          4481     4481              
=================================================
  Files                293      293              
  Lines              16424    16424              
=================================================
- Hits               13182    13181       -1     
- Misses              3242     3243       +1     

Flag	Coverage Δ
unittests	80.25% <ø> (-0.01%)	⬇️

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