feat: docs api design

internal/dal/migrations/migrations.go

@@ -0,0 +1,18 @@
+package migrations
+
+import (
+	"octopus/internal/dal/model"
+
+	"github.com/rs/zerolog/log"
+
+	"gorm.io/gorm"
+)
+
+func Migrate(db *gorm.DB) {
+	if err := db.AutoMigrate(
+		new(model.Doc),
+		new(model.DocFolder),
+	); err != nil {
+		log.Fatal().Err(err).Msg("failed to migrate database")
+	}
+}