add session to visits and events

shared/schema/metrics/EventSchema.ts

@@ -4,6 +4,7 @@ export type TEvent = {
     project_id: Schema.Types.ObjectId,
     name: string,
     metadata: Record<string, string>,
+    session: string,
     created_at: Date
 }
 
@@ -11,6 +12,7 @@ const EventSchema = new Schema<TEvent>({
     project_id: { type: Types.ObjectId, index: 1 },
     name: { type: String, required: true },
     metadata: Schema.Types.Mixed,
+    session: { type: String },
     created_at: { type: Date, default: () => Date.now() },
 })