message: added JS equivalent samples and a restrictions
diff: Similar to [JS Imports](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import), Stylable offers a way to import other stylesheets and modules.
  -There are 3 statement rules that describe the import config:
  +There are 3 directive rules that describe the `:import` config:
  - * ```-sb-from:``` Use with the path to the stylesheet or JavaScript module. Can be a relative path or a 3rd party path<*ALR - 3rd party path doesn't sound right - full path?*>.
  - * ```-sb-default:``` Imports the default value of the file named in ```-sb-from:```. Use with the name by which to identify the imported value in the scoped stylesheet.
  + * ```-sb-from:``` Use with the path to the stylesheet or JavaScript module. Can be a relative path or a 3rd party path.
  + * ```-sb-default:``` Imports the default export of the module named in ```-sb-from:```. Use with the name by which to identify the imported value in the scoped stylesheet.
  * ```-sb-named:``` List of the named exports to import into the local scoped stylesheet from the file named in ```-sb-from:```.
  + > Notice:
  + > * `:import` is a Stylable directive and not a selector.
  + > * Using import as part of a complex selector or inside a CSS ruleset will not import.
  + > * Multiple imports may conflict and the last one wins.
  +
  ## Examples:
  #### Import the default export of a local reference stylesheet for use in the scoped stylesheet
  @@ -21,6 +26,11 @@ Import the ```toggle-button.css``` stylesheet from a local location. Assign the
  }
  ```
  +ES6 equivalent
  + ```js
  + import ToggleButton from "./toggle-button.css";
  + ```
  +
  #### Import named exports from a local JS module
  The values ```Gallery``` and ```Menu``` are imported from the local JavaScript module ```my-components```. We can now use these named exports imported into this scoped stylesheet.
  @@ -32,6 +42,11 @@ The values ```Gallery``` and ```Menu``` are imported from the local JavaScript m
  }
  ```
  + ES6 equivalent
  + ```js
  + import { Gallery, Menu } from "./my-components";
  + ```
  +
  #### Import named exports from a local JS module and locally refer to one of the export values as a different name
  The values ```Menu``` and ```Gallery``` are imported from the local JavaScript module ```my-components```. ```Menu``` can be used as is and ```Gallery``` has been renamed for use in this scoped stylesheet as ```ProductGallery```.
  @@ -41,6 +56,11 @@ The values ```Menu``` and ```Gallery``` are imported from the local JavaScript m
  -sb-from:"./my-components";
  -sb-named: Menu, Gallery as ProductGallery;
  }
  + ```
  +
  + ES6 equivalent
  + ```js
  + import { Menu, Gallery as ProductGallery } from "./my-components";
  ```
  ## Usage:
  