deprecate kind:application, replace by kind:system
add the following new entity kinds:
system (replacing application
ui (represents a user interface component, such as web, mobile, desktop client, etc..)
misc fixes to streamline references.
added a new top level schema called "service.schema.json" which is a duplicate of "version.schema.json". Will remove "version.schema.json" once we update the reference in the schema registry.
Few changes to v3 schema
kind:application
, replace bykind:system