feat(database): add categories schema

src/models/categories.js

@@ -0,0 +1,20 @@
+const mongoose = require('mongoose');
+
+// Define a schema
+const { Schema } = mongoose;
+
+const CategorySchema = new Schema({
+  type: {
+    type: String,
+    trim: true,
+  },
+  name: {
+    type: String,
+    trim: true,
+  },
+  value: {
+    type: String,
+  },
+});
+
+export default mongoose.model('categories', CategorySchema);