Update Case Study Guidelines

We're currently getting feedback from some Promote Drupal group and some Certified Partners on a proposed set of guidelines: https://docs.google.com/document/d/1DuotpO2xalqt5Sckt0YPczsQlobNoBYdjYL7....

pixelite → credited rgladden → .

Updated the page with the new content

Reviewed form created for social media post submissions for Case studies

Created the form for Linkedin case study submissions

Automatically closed - issue fixed for 2 weeks with no activity.