Create a Gradle plugin, so TypeScript files are generated during compilation

[aSemy]

The plugin will scan for all classes with @Serializable. It will convert each to a TypeScript definition.

Nice extras

1. kxs-ts-gen is configurable

2. Add a @TsExport annotation so only specific types are generated

3. Allow @TsExport to be added to const strings, and the raw value will be exported (inspired by Sharing constants ntrrgc/ts-generator#24)

   @TsExport
   const val customConfig: String = """
   object ApiConstants {
       const SOME_VAL_1 = 1234
       const SOME_VAL_2 = "hello world"
   }
   """

   kxs-ts-gen will produce

   object ApiConstants {
       const SOME_VAL_1 = 1234
       const SOME_VAL_2 = "hello world"
   }

   Or maybe directly convert a const

   object ApiConstants {
     @TsExport
     const val SOME_VAL_1 = 1234
     @TsExport
     const val SOME_VAL_2 = "hello world"
   }

   kxs-ts-gen will produce

   object ApiConstants {
       const SOME_VAL_1 = 1234
       const SOME_VAL_2 = "hello world"
   }

4. Grab KDoc, and convert it to JSDoc

5. Grab annotations and convert them Feature Request: ability to annotate integer fields ntrrgc/ts-generator#23

6. Add example for NPM upload (with mpetuska/npm-publish?) context

Use KSP to create a plugin. KSP is unsuitable, it can only view and can't run code, use https://github.com/ronmamo/reflections or https://github.com/classgraph/classgraph instead?