feat: add access control

[alohamora]

Description

Fixes #43

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have not reduced the existing code coverage
• I have added docstrings following the Python style guidelines of this project to all new modules, classes, methods and functions are documented with docstrings following; I have updated any previously existing docstrings, if applicable
• I have updated any sections of the app's documentation that are affected by the proposed changes, if applicable

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (dc32e2a) 100.00% compared to head (2b36980) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##               dev       #44   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            6         6           
  Lines          190       190           
=========================================
  Hits           190       190           

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