updated readme

README.md

loop
====
Basic Structure
===============
./users
-------
User name and hashed password security. Not the best but definitely simple.
./user/content/{unique-id}
--------------------------
This directory holds the core data. Essentially every editable item has a unique identifier which then holds the
data specific to it. By default every new item will contain a default markdown file. Ex:
    - document.md
    - kittens.gif
    - uberawesomeness.odt
./user/blog
-----------
The blog directory contains symbolic links to content which has been marked as a public entry. The format of the file
name gives the unique title of the blog entry. Ex:
    - 201501010730-my-first-blog-post -> ../content/yaddayaddayadda
./user/calendar
---------------
The calendar name will be represented in the file name with the file extension .ics. Ex:
    - Employee Work Items.ics
    - Personal.ics
Environment Variables
=====================
    - LOOP_URL      (Default: localhost:6006)
    - LOOP_SALT     (Default: whatyoutalkingaboutwillus)
    - LOOP_BASE     (Default: .)