Added npmignore

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Added npm package.json file

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Added the articles helper plugin and mocha tests

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Added plugin usage example

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Added README and licensing info

Signed-off-by: Byron Sanchez <byron@hackbytes.com>