tsk-8: Renamed pkg (#9)

Closes #8

Reviewed-on: phoenix/textsender-models#9
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

tx0/user/user.go

@@ -0,0 +1,12 @@
+package user
+
+import (
+	"github.com/google/uuid"
+)
+
+type User struct {
+	Id          uuid.UUID `json:"id"`
+	PhoneNumber string    `json:"phone_number"`
+	Username    string    `json:"username"`
+	Password    string    `json:"password"`
+}