Implement run command for uvicorn development server

[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: #31, resolves: #14

Description of the changes being introduced by the pull request:
TODO:

• Fix unit tests
• Add unit test for CLI run command
• Update documentation

[github-actions]

🚀 Deployed on https://620183232affc3638b7c5b67--fastapi-mvc.netlify.app

[codecov-commenter]

Codecov Report

Merging #35 (5e1cdfd) into master (fe2ca54) will increase coverage by 0.05%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #35      +/-   ##
==========================================
+ Coverage   99.18%   99.24%   +0.05%     
==========================================
  Files          15       16       +1     
  Lines         369      396      +27     
==========================================
+ Hits          366      393      +27     
  Misses          3        3              

Impacted Files	Coverage Δ
fastapi_mvc/cli/cli.py	100.00% <100.00%> (ø)
fastapi_mvc/cli/commands/new.py	100.00% <100.00%> (ø)
fastapi_mvc/cli/commands/run.py	100.00% <100.00%> (ø)

---

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 a8438e3...5e1cdfd. Read the comment docs.