feat: complete basic functions

Support http,dns and mysql connection. Support custom http, dns response. Support dns rebinding.
Support mysql load local files and jdbc deserialize exploit.

pkg/mysql/mysql_test.go

@@ -0,0 +1,17 @@
+package mysql
+
+import (
+	"database/sql"
+	"fmt"
+	"testing"
+
+	_ "github.com/go-sql-driver/mysql"
+)
+
+func TestServer_NewConnection(t *testing.T) {
+	db, err := sql.Open("mysql", "root:root@tcp(127.0.0.1)/dbname?allowAllFiles=true")
+	if err != nil {
+		fmt.Println(err)
+	}
+	db.Exec("SELECT 1;")
+}