Separate files out and seed content for sections

[rupakg]

Description

The pages have been divided up into separate sub-pages to make it easier for multiple authors to work on different sections of the guide at the same time. Also, added some seed content to provide guidance for intended content.

Filename: Various

Page/Section: Various

Details:

• Break up the Development page into sub-pages
• Separate out the Serverless Platform page
• Add seed content