refactor: restructure tailcall

[ssddOnTop]

Summary:
Restructured the tailcall functions into core and cli

Issue Reference(s):
Fixes #... (Replace "..." with the issue number)

Build & Testing:

• [ ] I ran cargo test successfully.
• [ ] I have run ./lint.sh --mode=fix to fix all linting issues raised by ./lint.sh --mode=check.

Checklist:

• [ ] I have added relevant unit & integration tests.
• [ ] I have updated the documentation accordingly.
• [ ] I have performed a self-review of my code.
• [ ] PR follows the naming convention of <type>(<optional scope>): <title>

[codecov[bot]]

Codecov Report

Attention: 12 lines in your changes are missing coverage. Please review.

Comparison is base (e67f16a) 90.29% compared to head (25abdd9) 77.24%. Report is 31 commits behind head on main.

Files	Patch %	Lines
tc_cli/src/main.rs	0.00%	8 Missing :warning:
tc_cli/src/http/mod.rs	66.66%	3 Missing :warning:
tc_cli/src/cli/tc.rs	0.00%	1 Missing :warning:

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #844       +/-   ##
===========================================
- Coverage   90.29%   77.24%   -13.05%     
===========================================
  Files          80       80               
  Lines        8118     5608     -2510     
===========================================
- Hits         7330     4332     -2998     
- Misses        788     1276      +488     

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[github-actions[bot]]

Action required: PR inactive for 2 days. Status update or closure in 5 days.

[github-actions[bot]]

Action required: PR inactive for 2 days. Status update or closure in 5 days.