message: docs: add standalone details to NG8001
  improve the degubbing section of the NG8001 error by including details
  about standalone components
  PR Close
diff: @@ -15,7 +15,8 @@ This is the compiler equivalent of a common runtime error `NG0304: '${tagName}'
  Use the element name in the error to find the file(s) where the element is being used.
  Check that the name and selector are correct.
  -If the component is from a different module or import, check that the component is exported from its origin module and imported into the correct `*.modules.ts` file, and declared in the imports list.
  +
  +Make sure that the component is correctly imported inside your NgModule or standalone component, by checking its presence in the `imports` field. If the component is declared in an NgModule (meaning that it is not standalone) make sure that it is exported correctly from it, by checking its presence in the `exports` field.
  When using custom elements or web components, ensure that you add [`CUSTOM_ELEMENTS_SCHEMA`](api/core/CUSTOM_ELEMENTS_SCHEMA) to the application module.
  