feat: added models Inventory, Material, Item & User

src/models/Inventory.js

@@ -0,0 +1,39 @@
+const mongoose = require("mongoose");
+const { InventoryTypes } = require("./../config/constants");
+
+const schema = new mongoose.Schema(
+  {
+    name: {
+      type: String,
+      required: true,
+      trim: true,
+    },
+    type: {
+      type: String,
+      required: true,
+      trim: true,
+      enum: InventoryTypes,
+    },
+    policies: {
+      tracking: {
+        type: Object, // Create a different model and reference it here once more details available
+        required: true,
+      },
+      alerting: {
+        type: Object, // Create a different model and reference it here once more details available
+        required: true,
+      },
+      replenishment: {
+        type: Object, // Create a different model and reference it here once more details available
+        required: true,
+      },
+    },
+  },
+  {
+    timestamps: true,
+  }
+);
+
+const Inventory = mongoose.model("Inventory", schema);
+
+module.exports = Inventory;