add html-validator + fix html ceo code

config/head.ts

@@ -0,0 +1,28 @@
+export default {
+  meta: [
+    { charset: "utf-8" },
+    {
+      name: "viewport",
+      content:
+        "width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no",
+    },
+  ],
+  link: [
+    {
+      rel: "preconnect",
+      href: "https://fonts.googleapis.com",
+    },
+    {
+      rel: "preconnect",
+      href: "https://fonts.gstatic.com",
+    },
+    {
+      rel: "stylesheet",
+      href: "https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap",
+    },
+    {
+      rel: "stylesheet",
+      href: "https://fonts.googleapis.com/css2?family=Russo+One&display=swap",
+    },
+  ],
+};