Add engen badge mint script

[ylv-io]

Description

Type of change

• Bug fix
• New feature
• Breaking change
• Dependency changes
• Deployment
• Forge Script
• Code refactor / cleanup
• Documentation or wording changes
• Other

Checklist:

• The diff is legible and has no extraneous changes
• Complex code has been commented, including external interfaces
• Tests have 100% code coverage
• The base branch is either main, or there's a description of how to merge

Issue Resolution

[github-actions]

Slither report

THIS CHECKLIST IS NOT COMPLETE. Use --show-ignored-findings to show all the results.
Summary

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.01%. Comparing base (f4807b9) to head (f96f4e8).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #322      +/-   ##
==========================================
+ Coverage   88.79%   89.01%   +0.21%     
==========================================
  Files          42       41       -1     
  Lines        2482     2476       -6     
==========================================
  Hits         2204     2204              
+ Misses        278      272       -6     

see 6 files with indirect coverage changes