♻️ Refactor to a WebAPI + WebUI project with a Host or Gateway project

[Hona]

Right now Blazor Server UI talks to Application layer. Goal is to have UI and endpoints separate so other clients can be easily implemented.

Split the endpoint code Split the UI code

Host in 1 app service

%%{
  init: {
    'theme': 'base',
    'themeVariables': {
      'primaryColor': '#CC4141',
      'primaryTextColor': '#fff',
      'lineColor': '#CC4141',
      'secondaryColor': '#AAAAAA',
      'tertiaryColor': '#797979',
      'noteBkgColor': '#333333',
      'noteTextColor': '#fff',
      'sequenceNumberColor': '#333333'
    }
  }
}%%

graph TD;
    TimesheetGPT.Gateway-->TimesheetGPT.UI;
    TimesheetGPT.Gateway-->TimesheetGPT.WebAPI;

TimesheetGPT.UI-->TimesheetGPT.Core;
TimesheetGPT.WebAPI-->TimesheetGPT.Core;

[bradystroud]

related to #3

[bradystroud]

This is done

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