IAM: Adds the team creation endpoint in app platform (#111003)

* implement team creation for legacy store

* add generated code

* add basic integration test

* add new fields to get and list teams

* fix sql tests for teams

* register dual writer for team resource

* add generated code

* add more sql tests for team creation

* address feedback

* add integration tests

pkg/registry/apis/iam/legacy/create_team.sql

@@ -0,0 +1,6 @@
+INSERT INTO {{ .Ident .TeamTable }}
+  (uid, name, org_id, created, updated, email, is_provisioned, external_uid)
+VALUES
+  ({{ .Arg .Command.UID }}, {{ .Arg .Command.Name }}, {{ .Arg .Command.OrgID }}, {{ .Arg .Command.Created }},
+  {{ .Arg .Command.Updated }}, {{ .Arg .Command.Email }}, {{ .Arg .Command.IsProvisioned }},
+  {{ .Arg .Command.ExternalUID }})