Removed the alias for the path package import
Revert "Removed the alias for the path package import"

This reverts commit bdc9261cf1c7ae2a9df90af4a8c108c5b1605ddc.
Markdown extension "filepreview".
Added another markdown extension which allows you to display text files within your documents.

Usage:
filepreview: [*Some Description Text*](files/some-file.xml)