feat: introduce feed management for individual and professor modules across frontend and backend services.

services/ical/model/icalModel.go

@@ -62,6 +62,9 @@ type FeedRecord struct {
 	Modules   []FeedModule `db:"modules" json:"modules"`
 	Retrieved JSONTime     `db:"retrieved" json:"retrieved"`
 	Deleted   bool         `db:"deleted" json:"deleted"`
+	Type      string       `db:"type" json:"type"`            // "prof" or "student"
+	User      string       `db:"user" json:"user"`            // User ID relation
+	UserEmail string       `db:"user_email" json:"userEmail"` // User Email for filtering
 	BaseModel
 }