feat!: emit esm package

[elringus]

Resolves #161 by switching to the modern ES module shape of the generated package.

Example

Given C# source:

namespace Greeter;

public partial class Api
{
    [Export]  public static string Hello (string name) => $"Hello, {name}!";
    [Import]  public static partial void Log (string message);
}

Before (all bindings under root package):

import { Greeter } from "bootsharp";

Greeter.Api.log = msg => console.log(msg);
const greeting = Greeter.Api.hello("world");

Now (bindings grouped by module):

import { Api } from "bootsharp/greeter";

Api.log = msg => console.log(msg);
const greeting = Api.hello("world");

Breaking changes

• Bindings no longer emitted under the root module, but grouped under ES modules per C# namespace
• Preferences changed:
  • Function renamed to Method
  • Type renamed to Name
  • Added Property and Event
• Bootsharp no longer auto-trims I from interfaces; use the preferences to do this if desired
• MSBuild targets renamed:
  • BootsharpEmit -> BootsharpCS
  • BootsharpPack -> BootsharpJS

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (40399bc) to head (92fa32e).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #206   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           57        59    +2     
  Lines         2785      2726   -59     
  Branches       458       457    -1     
=========================================
- Hits          2785      2726   -59     

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