Add docs.

Signed-off-by: crynobone <crynobone@gmail.com>
Rename index file.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.0'
Update 2.1 changes.

Signed-off-by: crynobone <crynobone@gmail.com>
Tweak installation guide for 2.0

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.0'

Conflicts:
	docs/installation.md

Signed-off-by: crynobone <crynobone@gmail.com>