Added some more fields to track for inventory; fixed routing issues with the /item/:id route

src/models/item.js

@@ -9,9 +9,25 @@ module.exports = (sequelize, Sequelize) => {
     manufacturer: {
       type: Sequelize.STRING
     },
+
+    serialNumber: {
+      type: Sequelize.STRING
+    },
+
+    skuNumber: {
+      type: Sequelize.STRING
+    },
     
     type: {
       type: Sequelize.STRING
+    },
+
+    purchasedFrom: {
+      type: Sequelize.STRING
+    },
+
+    purchasedAt: {
+      type: Sequelize.DATE
     }
     
   });