Better import example

[DarkoKukovec]

BEFORE YOU SUBMIT please read the following:

• I'm submitting a bug report
• I'm submitting a feature request
• I'm submitting a support request

Mixin version:
2.1.0

Current behavior:
Shows the most optimal example: @import 'media-blender';

Expected/desired behavior:
Show examples for direct file access and Webpack usage also

• If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem along with a gist/jsbin of your configuration.
  N/A

• What is the expected behavior?
  Show more examples

• What is the motivation / use case for changing the behavior?
  Easier setup for other build tools

• Are you using any other libraries/tools together with this library? Where in the build process do they occur?
  N/A