feat: 重建 Bell GoAdmin 产品骨架 (#62)

Bell/server/common/database/open_sqlite3.go

@@ -0,0 +1,19 @@
+//go:build sqlite3
+// +build sqlite3
+
+package database
+
+import (
+	"gorm.io/driver/mysql"
+	"gorm.io/driver/postgres"
+	"gorm.io/driver/sqlite"
+	"gorm.io/driver/sqlserver"
+	"gorm.io/gorm"
+)
+
+var opens = map[string]func(string) gorm.Dialector{
+	"mysql":     mysql.Open,
+	"postgres":  postgres.Open,
+	"sqlite3":   sqlite.Open,
+	"sqlserver": sqlserver.Open,
+}