feat: store and display template creator (#2228)

* design commit

* add owner_id to templates table

* add owner information in apis and ui

* update minWidth for statItem

* rename owner to created_by

* missing refactor to created_by

* handle errors in fetching created_by names

coderd/database/migrations/000022_template_created_by.down.sql

@@ -0,0 +1 @@
+ALTER TABLE ONLY templates DROP COLUMN IF EXISTS created_by;

coderd/database/migrations/000022_template_created_by.up.sql

@@ -0,0 +1 @@
+ALTER TABLE ONLY templates ADD COLUMN IF NOT EXISTS created_by uuid REFERENCES users (id) ON DELETE RESTRICT;