✍️ Added ability to parse arguments

[Bullrich]

Resolves #8

• Added a method which handles arguments and verifies that it fulfills its condition
• Added JOI validation to handle the types:
  • one_of
  • string
  • regex
• Created a custom error to handle nested problems (easier to read)
• Added a parameter section to the command interface

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Todo

• Update the JSON schema
• Add more test with failing cases
• Update the generated documentation