feat: add auditing for groups (#4527)

- Clean up `database.TemplateACL` implementation.

coderd/database/migrations/000063_resource_type_group.down.sql

@@ -0,0 +1,2 @@
+-- You cannot safely remove values from enums https://www.postgresql.org/docs/current/datatype-enum.html
+-- You cannot create a new type and do a rename because objects depend on this type now.

coderd/database/migrations/000063_resource_type_group.up.sql

@@ -0,0 +1,5 @@
+BEGIN;
+
+ALTER TYPE resource_type ADD VALUE IF NOT EXISTS 'group'; 
+
+COMMIT;