chore: fix a small issue with video modes

internal/database/database.go

@@ -21,14 +21,17 @@ func KickoffDatabase(workDir string) (*gorm.DB, error) {
 	if err := db.AutoMigrate(&State{}); err != nil {
 		return nil, err
 	}
+	if err := db.AutoMigrate(&Device{}); err != nil {
+		return nil, err
+	}
 	if err := db.AutoMigrate(&File{}); err != nil {
 		return nil, err
 	}
 
 	// create the first row if it does not exist yet
 	if err := db.FirstOrCreate(&State{}, State{
-		ID:   0,
-		Mode: "unspecified",
+		ID:        0,
+		MediaType: "unspecified",
 	}).Error; err != nil {
 		return nil, err
 	}