Add device type seeds

initializers/device_types.yml

@@ -0,0 +1,15 @@
+# - manufacturer: Intel
+#   model: Model 1
+#   slug: model-1
+#   u_height: 2
+# - manufacturer: Intel
+#   model: Model 2
+#   slug: model-2
+# - manufacturer: Intel
+#   model: Model 3
+#   slug: model-3
+#   is_full_depth: false
+#   u_height: 0
+# - manufacturer: NoName
+#   model: Other
+#   slug: other