Guides: Add Guides to the IDE

[runrevelanor]

There are 6 Guides that are on the website but are not included in the IDE at the moment. These are

• Beginners Guide (subset of the User Guide), also see issue Guides: Beginners Guide Updates #856
• Developers Guide (subset of the User Guide), also see issue Guides: Developers Guide Updates #868
• Mobile Guide
• iOS Externals
• LiveCode Server Guide
• Desktop Externals Guide

Attached are markdown versions of the guides, there may be more up to date guides elsewhere.

MarkdownGuides.zip