Global: Add route /dev

Web/Presenters/AboutPresenter.php

@@ -126,4 +126,11 @@ final class AboutPresenter extends OpenVKPresenter
         header("Location: https://github.com/openvk/openvk#readme");
         exit;
     }
+
+    function renderDev(): void
+    {
+        header("HTTP/1.1 302 Found");
+        header("Location: https://docs.openvk.su/");
+        exit;
+    }
 }

Web/routes.yml

@@ -297,6 +297,8 @@ routes:
       handler: "About->robotsTxt"
     - url: "/humans.txt"
       handler: "About->humansTxt"
+    - url: "/dev"
+      handler: "About->dev"
     - url: "/{?shortCode}"
       handler: "UnknownTextRouteStrategy->delegate"
       placeholders: