async installAndSetupTemplate() {
    const { name: templatePkgName, path: templatePkgPath } = await this.installTemplate(this.install);
    this.templateDir = templatePkgPath;
    this.templateName = templatePkgName;
    this.templateContentDir = path.resolve(this.templateDir, TEMPLATE_CONTENT_DIRNAME);

    await this.loadTemplateConfig();

    return { templatePkgName, templatePkgPath };
  }
Installs and sets up the template for code generation.

This function installs the specified template using the provided installation option,
sets up the necessary directory paths, loads the template configuration, and returns
information about the installed template.

@async
@returns {Promise<{ templatePkgName: string, templatePkgPath: string }>}
  A promise that resolves to an object containing the name and path of the installed template.