Merge pull request 'refs #6141feat:buyer model' (!1748) from 6141-model-Buyer into dev

Reviewed-on: #1748
Reviewed-by: Javi Gallego <jgallego@verdnatura.es>

back/model-config.json

@@ -15,6 +15,9 @@
     },
     "Bank": {
         "dataSource": "vn"
+    },
+     "Buyer": {
+        "dataSource": "vn"
     },
     "Campaign": {
         "dataSource": "vn"

back/models/buyer.json

@@ -0,0 +1,28 @@
+{
+	"name": "Buyer",
+	"base": "VnModel",
+	"options": {
+		"mysql": {
+			"table": "buyer"
+		}
+	},
+	"properties": {
+		"userFk": {
+			"type": "number",
+			"required": true,
+			"id": true
+		},
+		"nickname": {
+			"type": "string",
+			"required": true
+		}
+	},
+	"acls": [
+        {
+            "accessType": "READ",
+            "principalType": "ROLE",
+            "principalId": "employee",
+            "permission": "ALLOW"
+        }
+    ]
+}