Wiki Update - Azure Services Naming Convention

[tikicoder]

Description

If you look at the wiki page: (https://github.com/microsoft/cobalt/wiki/Azure-Services-Naming-Convention#location-abbreviations)

The page contains a list of naming conventions including ones for the region. The one for southeastasia is showing assw, wouldn't asse be more appopriate?

Acceptance Criteria

Update to why it is assw or update the doc to asse