Refactor fastapi-mvc project template into generators submodule

[rszamszur]

Checklist:

• Added tests for changed code where applicable.
• Documentation reflects the changes where applicable.
• Updated the CHANGELOG.md file with your changes.
• My PR is ready to review.

Resolves: #77

Description of the changes being introduced by the pull request:

[github-actions]

🚀 Deployed on https://62769417115e1f120fb0fb3b--fastapi-mvc.netlify.app

[codecov-commenter]

Codecov Report

Merging #98 (8fb2ab3) into master (54fc259) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #98      +/-   ##
==========================================
- Coverage   99.62%   99.62%   -0.01%     
==========================================
  Files          39       39              
  Lines         797      794       -3     
==========================================
- Hits          794      791       -3     
  Misses          3        3              

Impacted Files	Coverage Δ
fastapi_mvc/commands/base.py	100.00% <ø> (ø)
fastapi_mvc/commands/invoker.py	100.00% <ø> (ø)
fastapi_mvc/commands/run_shell.py	100.00% <ø> (ø)
fastapi_mvc/generators/controller/__init__.py	100.00% <ø> (ø)
fastapi_mvc/generators/generator/__init__.py	100.00% <ø> (ø)
...r_name}}/{{cookiecutter.package_name}}/app/asgi.py	100.00% <ø> (ø)
...ter.package_name}}/app/controllers/api/v1/ready.py	100.00% <ø> (ø)
...cookiecutter.package_name}}/app/exceptions/http.py	100.00% <ø> (ø)
.../{{cookiecutter.package_name}}/app/models/ready.py	100.00% <ø> (ø)
...cookiecutter.package_name}}/app/models/response.py	100.00% <ø> (ø)
... and 29 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d09e194...8fb2ab3. Read the comment docs.