Added links to forums and stack overflow

Signed-off-by: Zechariah Campbell <zech.campbell@gmail.com>
cleaned up a sentence

Signed-off-by: Zechariah Campbell <zech.campbell@gmail.com>
Added model intro and updated ORM intro

Signed-off-by: Zechariah Campbell <zech.campbell@gmail.com>
Finished intro AITP Example Tutorial

- I have included a tutorial for an example situation that should help newcomers understand the basics of how to implement ORM. This is something I wish I had when I got started with ORM.

Signed-off-by: Zechariah Campbell <zech.campbell@gmail.com>