ThirdwebBridge - Onramp Integration & Improved APIs

[0xFirekeeper]

Closes TOOL-4441

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PR-Codex overview

This PR focuses on enhancing the ThirdwebBridge functionality by updating transaction handling to use Steps instead of Transactions, introducing new methods for onramp operations, and improving data structures for transaction steps and quotes.

Detailed summary

• Updated Execute methods to use Steps instead of Transactions.
• Added OnrampPrepareData and OnrampStatusData classes for onramp operations.
• Introduced new methods: Onramp_Prepare and Onramp_Status.
• Refactored Transaction and QuoteData classes to accommodate new structures.
• Deprecated the use of Transactions in favor of Steps in various data classes.
• Enhanced error handling and API request structure in Buy and Sell methods.

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[linear]

TOOL-4441 ThirdwebBridge onramp integration

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 183 lines in your changes missing coverage. Please review.

Project coverage is 61.00%. Comparing base (ea4d093) to head (151f474).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
Thirdweb/Thirdweb.Bridge/ThirdwebBridge.cs	0.00%	96 Missing ⚠️
Thirdweb/Thirdweb.Bridge/ThirdwebBridge.Types.cs	0.00%	66 Missing ⚠️
...rdweb/Thirdweb.Bridge/ThirdwebBridge.Extensions.cs	0.00%	21 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #148      +/-   ##
==========================================
- Coverage   62.19%   61.00%   -1.19%     
==========================================
  Files          41       41              
  Lines        6427     6563     +136     
  Branches      822      832      +10     
==========================================
+ Hits         3997     4004       +7     
- Misses       2243     2373     +130     
+ Partials      187      186       -1     

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