Notification system in frontend

- Heatmap worker now reports progress
- Base for new altitude value
- Phones can be marked active

backend/models/phone/phone.interface.ts

@@ -8,6 +8,7 @@ export interface IPhone extends Document {
     operatingSystem: String,
     architecture: String,
     user: IUser,
+    active: Boolean,
     updatedAt?: Date,
     createdAt?: Date
 }

backend/models/phone/phone.schema.ts

@@ -7,7 +7,8 @@ const schemaPhone = new Schema({
     modelName: { type: String, required: false },
     operatingSystem: { type: String, required: false },
     architecture: { type: String, required: false },
-    user: { type: SchemaTypes.ObjectId, required: true }
+    user: { type: SchemaTypes.ObjectId, required: true },
+    active: { type: Boolean, required: true }
 }, {
     timestamps: {
         createdAt: true,