add: db user type + gorm deps

internal/types/types.go

@@ -1,7 +1,10 @@
 package types
 
 import (
+	"time"
+
 	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
 )
 
 type Route struct {
@@ -15,6 +18,15 @@ type StereoConfig struct {
 	ImagePath string
 }
 
+type User struct {
+	gorm.Model
+    ID               uint
+	Username         string
+	RegistrationDate time.Time
+    Blacklisted      bool
+    Email            string
+}
+
 func RegisterRoutes(groupName string, routes []Route, cfg *StereoConfig) {
 	group := cfg.Router.Group(groupName)