Updated Home (textile)
Test update.
Remove now deleted old pages
Add Discord Link used in https://gist.github.com/Muehe/175d2e761169327d50c40eda2b6d4a32 "CMaNGOS Installation Guide for Windows"
Cleaned up formatting and updated links.
Fixed spelling.
Fix Home page to reflect imported UDB Wiki'S content
Port wiki content from cmangos/mangos-wotlk