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.

internal/database/json_field.go

@@ -0,0 +1,27 @@
+package database
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+)
+
+type MapField map[string]string
+
+func (f MapField) Value() (driver.Value, error) {
+	return json.Marshal(f)
+}
+
+func (f *MapField) Scan(data interface{}) error {
+	return json.Unmarshal(data.([]byte), f)
+}
+
+
+type ListField []string
+
+func (f ListField) Value() (driver.Value, error) {
+	return json.Marshal(f)
+}
+
+func (f *ListField) Scan(data interface{}) error {
+	return json.Unmarshal(data.([]byte), f)
+}