[!!!] Added type definitions to property types

- Request: optimized getIp method and reversed the order so proxy is always checked first.

src/Pecee/Http/Input/InputItem.php

@@ -8,10 +8,18 @@ use IteratorAggregate;
 
 class InputItem implements ArrayAccess, IInputItem, IteratorAggregate
 {
-    public $index;
-    public $name;
+    public string $index;
+    public string $name;
+
+    /**
+     * @var mixed|null
+     */
     public $value;
 
+    /**
+     * @param string $index
+     * @param mixed $value
+     */
     public function __construct(string $index, $value = null)
     {
         $this->index = $index;