Add Router to core.

src/Runtime/Http/Input/IInputItem.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Runtime\Http\Input;
+
+interface IInputItem
+{
+
+    public function getIndex(): string;
+
+    public function setIndex(string $index): self;
+
+    public function getName(): ?string;
+
+    public function setName(string $name): self;
+
+    public function getValue(): ?string;
+
+    public function setValue(string $value): self;
+
+    public function __toString(): string;
+
+}