- Added a new DiExtension and proceed to some code cleaning

src/Method/Request.php

@@ -5,8 +5,6 @@ namespace Picea\Method;
 use Picea\Extension\Extension,
     Picea\Extension\ExtensionTrait;
 
-use Picea\Compiler\Context;
-
 use Picea\Extension\FunctionExtension;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ServerRequestInterface;
@@ -17,12 +15,10 @@ class Request implements Extension, FunctionExtension {
     public array $tokens;
 
     public string $token;
-    
-    public ServerRequestInterface $request;
 
-    public function __construct(ServerRequestInterface $request, Context $context) {
-        $this->request = $request;
-    }
+    public function __construct(
+        public ServerRequestInterface $request
+    ) { }
 
     public function parse(\Picea\Compiler\Context &$context, ?string $arguments, string $token, array $options = []) : string { }