Add cursor rules and initial configuration for Tender Management Go Backend

internal/customer/domain/entity/entity.go

@@ -0,0 +1,24 @@
+package entity
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+// Customer represents a mobile app user (customer)
+type Customer struct {
+	ID           uuid.UUID  `bson:"_id"`
+	Email        string     `bson:"email"`
+	Password     string     `bson:"password"` // Never serialize password
+	FirstName    string     `bson:"first_name"`
+	LastName     string     `bson:"last_name"`
+	Mobile       string     `bson:"mobile"`
+	CompanyID    uuid.UUID  `bson:"company_id"`
+	IsActive     bool       `bson:"is_active"`
+	IsVerified   bool       `bson:"is_verified"`
+	DeviceTokens []string   `bson:"device_tokens"` // For push notifications
+	LastLoginAt  *time.Time `bson:"last_login_at,omitempty"`
+	CreatedAt    time.Time  `bson:"created_at"`
+	UpdatedAt    time.Time  `bson:"updated_at"`
+}