AppD required title field still described as being optional

[bingenito]

Minor Issue

#928 updated title to required but description of field still says optional

Area of Issue

[X] App Directory

Issue Description:

The schema was updated to change title to required in replace of deprecated name field but the description still states that it is optional.

[bingenito]

This is in error as I was looking at the wrong type in the schema. Multiple title fields made search a bit more work.