feat: generate tailcall config from rest endpoint.

[laststylebender14]

Summary:
Briefly describe the changes made in this PR.

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]

Codecov Report

Attention: Patch coverage is 99.01345% with 11 lines in your changes missing coverage. Please review.

Project coverage is 83.78%. Comparing base (9cdf3ef) to head (93c2e96).

Files	Patch %	Lines
...core/config/transformer/type_merger/type_merger.rs	97.97%	4 Missing ⚠️
src/cli/tc.rs	0.00%	2 Missing ⚠️
src/cli/command.rs	0.00%	1 Missing ⚠️
...rc/core/config/transformer/type_merger/pair_map.rs	90.90%	1 Missing ⚠️
.../core/config/transformer/type_merger/similarity.rs	99.64%	1 Missing ⚠️
...rc/core/generator/json/field_base_url_generator.rs	99.05%	1 Missing ⚠️
src/core/generator/json/url_utils.rs	96.42%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1980      +/-   ##
==========================================
+ Coverage   82.80%   83.78%   +0.97%     
==========================================
  Files         183      198      +15     
  Lines       18278    19379    +1101     
==========================================
+ Hits        15136    16236    +1100     
- Misses       3142     3143       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[laststylebender14]

discuss about this, JSON scalar makes more sense as we're not sure about type.