Added ScheduledMessage (#3)

Reviewed-on: phoenix/textsender-models#3
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

pkg/message/scheduling/message.go

@@ -0,0 +1,16 @@
+package scheduling
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+
+type ScheduledMessage struct {
+	Id uuid.UUID `json:"id"`
+	Scheduled time.Time `json:"scheduled"`
+	Created time.Time `json:"created"`
+	Status string `json:"status"`
+	UserId uuid.UUID `json:"user_id"`
+}

pkg/message/scheduling/status.go

@@ -0,0 +1,9 @@
+package scheduling
+
+
+const (
+	Ready = "READY"
+	Pending = "PENDING"
+	Processing = "PROCESSING"
+	Done = "DONE"
+)