feat: solana intent contract

[bishalbikram]

Description:

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type: commit message

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Changelog Entry

version: <log entry>

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• I have performed a self-review of my own code
• I have documented my code in accordance with the documentation guidelines
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• I have run the unit tests
• I only have one commit (if not, squash them into one commit).
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Please review the CONTRIBUTING.md file for detailed contributing guidelines.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.51%. Comparing base (c7dae72) to head (1c1c081).
Report is 3 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #12      +/-   ##
============================================
- Coverage     89.62%   89.51%   -0.12%     
  Complexity       77       77              
============================================
  Files            39       39              
  Lines          2275     2307      +32     
  Branches         37       37              
============================================
+ Hits           2039     2065      +26     
- Misses          219      225       +6     
  Partials         17       17              

Flag	Coverage Δ
solidity	86.11% <ø> (-1.39%)	⬇️

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see 4 files with indirect coverage changes

[ibrizsabin]

few changes for readability else looks good.