added csv and updated migration to work better hopefully (#7)

Reviewed-on: #7
Co-authored-by: Joseph Nelson <joseph.nelson4456@gmail.com>
Co-committed-by: Joseph Nelson <joseph.nelson4456@gmail.com>

src/migrations/008_add-fk-relationship-items-with-set-id.js

@@ -1,9 +1,10 @@
 export const up = (pgm) => {
 	pgm.sql(`
     ALTER TABLE "items" 
-    ADD CONSTRAINT "set_id" 
+    ADD COLUMN "set_id" UUID,
+    ADD CONSTRAINT "fk_set_id" 
     FOREIGN KEY ("set_id") 
-    REFERENCES "sets" ("id") 
+    REFERENCES "sets"("id") 
     ON DELETE CASCADE;
   `)
 }
@@ -11,6 +12,7 @@ export const up = (pgm) => {
 export const down = (pgm) => {
 	pgm.sql(`
     ALTER TABLE "items" 
-    DROP CONSTRAINT "fk_name";
+    DROP COLUMN "set_id",
+    DROP CONSTRAINT "fk_set_id";
   `)
 }