Added KDE Human Interface Guidelines

[TechStudent10]

Merge Conflicts are the most annoying ever.

[Sammy99jsp]

All files and folders should be lowercase and not have any spaces in them -- either use a _ or (preferably) a -.

[Sammy99jsp]

@TechStudent11 Please be careful with your documentation:

• Do not put spaces in folder or file names, use _ or -
• Use @site instead of relative file paths.
• Some pages are duplicates -- I've removed them, and restructured some.

[TechStudent10]

@TechStudent11 Please be careful with your documentation:

• Do not put spaces in folder or file names, use _ or -
• Use @site instead of relative file paths.
• Some pages are duplicates -- I've removed them, and restructured some.

Ah okay. Sorry!