Polish bridge contract events for traceability & readability

[sisyphusSmiling]

Closes: #65

Description

Updates bridge events to include values common in NFT & FT standards which enhance asset traceability. Also moving from emitting Cadence Type values to more human-readable type identifier strings.

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For contributor use:

• Targeted PR against main branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the standards mentioned here.
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.64%. Comparing base (02aab3f) to head (700dfe4).
Report is 34 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #89      +/-   ##
==========================================
+ Coverage   86.19%   86.64%   +0.44%     
==========================================
  Files          18       17       -1     
  Lines         884      921      +37     
==========================================
+ Hits          762      798      +36     
- Misses        122      123       +1     

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[sisyphusSmiling]

cc @bjartek

[joshuahannan]

looks good to me if Bjarte is okay with it!

[bjartek]

Yeah this works!

[sisyphusSmiling]

Added some minor changes added in 700dfe4 - changing from event type Type to string and adding uuid where traceability is relevant.