Expose config to plugins

[jdgjsag67251]

In order for a plugin to replicate the App.getLaunchUrl function for Electron it needs to have access to the config. This pull-request adds the config to the constructor of a plugin. It can access it like so:

export default class App {
  private config?: Record<string, any>;

  constructor(config?: Record<string, any>) {
    this.config = config;
  }

  getLaunchUrl(): string | undefined {
    const url = this.config?.server?.url;

    return url ? { url } : undefined;
  }
}