Add teamID to monitor model

Server/models/Monitor.js

@@ -6,6 +6,13 @@ const MonitorSchema = mongoose.Schema(
       type: mongoose.Schema.Types.ObjectId,
       ref: "User",
       immutable: true,
+      required: true,
+    },
+    teamId: {
+      type: mongoose.Schema.Types.ObjectId,
+      ref: "Team",
+      immutable: true,
+      required: true,
     },
     name: {
       type: String,