refactor: migrate to latest gorm version

refactor: language mappings implementation

migrations/common/common.go

@@ -0,0 +1,11 @@
+package common
+
+import (
+	"github.com/muety/wakapi/config"
+	"gorm.io/gorm"
+)
+
+type migrationFunc struct {
+	f    func(db *gorm.DB, cfg *config.Config) error
+	name string
+}