Ability to extend compilerOptions's paths config

Suggestion

I have a tsconfig.base.json file for the monorepo, it defined paths that all project can use

{
  "compileOnSave": false,
  "compilerOptions": {
    ```
    "paths": {
      "@aegis/ui": ["libs/ui/src/index.ts"],
      "@aegis/ui/*": ["libs/ui/src/*"],
      "@aegis/shared": ["libs/shared/src/index.ts"],
      "@aegis/shared/*": ["libs/shared/src/*"]
    }
  },
  "exclude": ["node_modules", "tmp"]
}

Each project has own tsconfig.json, also defined paths that only for itself

{
  "extends": "../../tsconfig.base.json",
  "compilerOptions": {
    "paths": {
      "@environment": ["src/environments/environment.ts"]
    }
  },
  "files": [],
  "include": [],
  "references": [
    {
      "path": "./tsconfig.app.json"
    },
    {
      "path": "./tsconfig.spec.json"
    },
    {
      "path": "./tsconfig.editor.json"
    }
  ]
}

Unfortunately, the paths would be overwritten.

I have to add tsconfig.base.json paths item to each project.

So, it's necessary to provide a solution for this case.

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Es wird keine Quelldatei oder kein Test genannt. Beginne damit nachzuverfolgen, wie compilerOptions.paths von tsconfig.base.json in die tsconfig.json eines Projekts übernommen wird, und prüfe die Issue-Diskussion auf die erwartete Merge-Semantik. Erledigt ist die Aufgabe, wenn geerbte Pfadzuordnungen verfügbar bleiben und projektspezifische Zuordnungen hinzugefügt werden können, ohne die Basiskonfiguration zu wiederholen.