Simple console phonebook

To run app:

1. start project using VS 2019.
2. execute "dotnet restore" command
3. to run console-app set 'Phonebook.Console' as Startup Project
4. to run web-app set 'Phonebook.WebApi' as Startup Project

• send post request to 'http://localhost:9080/api/command/execute'
• request body:

{
  "input": "add newContact +199999999"
}

Supporting commands:

• add - format 'add {name} {phone}'
• list
• help

To add new command need to do the following:

• Create implementation of ICommand;
• Add attribute CommandAttribute to the implementation.