Docs/migrationv9

[tabaktoni]

Motivation and Resolution

• Migration docs for v9
• Fix expose default RPC 0.10
• Event Parsing Fix missing props and optimization
  1. Replaced deep clone with shallow array clones - 10-100x faster
  2. Removed unnecessary .flat() call - One less iteration
  3. Simplified metadata extraction with destructuring - Cleaner code
  4. Cached repeated property lookups - Fewer operations
  5. Added RPC 0.10 fields to ParsedEvent type - transaction_index, event_index
• simplify Contract parseEvents

Checklist:

• Performed a self-review of the code
• Rebased to the last commit of the target branch (or merged it into my branch)
• Linked the issues which this PR resolves
• Documented the changes in code (API docs will be generated automatically)
• Updated the tests
• All tests are passing

[github-actions]

🎉 This PR is included in version 9.2.1 🎉

The release is available on:

• npm package (@next dist-tag)
• GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 9.2.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀