refactor: prep cli for migration

[AnthonyWadham]

Refactor: Reorganize CLI code structure

Overview

This PR reorganizes the World CLI codebase into a more standard Go project structure. The code has been moved from a flat structure to a hierarchical one, with packages organized under internal/app/world-cli and shared utilities under internal/pkg. This improves maintainability and follows Go best practices for package organization.

Brief Changelog

• Moved command implementations from separate packages to a single main package
• Renamed command structs to be more descriptive (e.g., StartCmd → StartCardinalCmd)
• Relocated core functionality to internal/app/world-cli directory
• Moved utility packages to internal/pkg directory
• Removed .vscode/launch.json configuration file
• Consolidated deployment type constants in the models package
• Removed unused code and dependencies

Testing and Verifying

This change is a code reorganization without functional changes. The existing tests have been updated to work with the new structure and should continue to pass.

[notion-workspace]

Migrate CLI phase 1: Prep codebase

[AnthonyWadham]

• refactor: prep cli for migration #247 👈 (View in Graphite)
• main

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[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 18 lines in your changes missing coverage. Please review.

Project coverage is 41.30%. Comparing base (fd55650) to head (404c99f).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/app/world-cli/commands/cardinal/start.go	0.00%	12 Missing ⚠️
...nternal/app/world-cli/commands/cloud/deployment.go	70.00%	3 Missing ⚠️
.../app/world-cli/commands/project/region_selector.go	0.00%	2 Missing ⚠️
...ternal/app/world-cli/common/docker/client_image.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #247      +/-   ##
==========================================
+ Coverage   34.77%   41.30%   +6.52%     
==========================================
  Files         123       99      -24     
  Lines        8088     6811    -1277     
==========================================
  Hits         2813     2813              
+ Misses       4984     3707    -1277     
  Partials      291      291              

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[ezavada]

Everything looks good. I pulled, tried all the tasks, ran all the tests, and everything seems to be working. I did add git ignores for a few files we don't want to check in.