[TASK] add lang nav

src/page.rs

@@ -6,7 +6,8 @@ use maud::{html, Markup, DOCTYPE};
 pub fn new(content: Markup, lang: Language) -> Markup {
     html! {
         (DOCTYPE)
-        head {
+        html lang=(lang) {
+          head {
             meta charset="utf-8";
             meta name="viewport" content="width=device-width, initial-scale=1.0";
             link rel="stylesheet" href="/static/pico.min.css";
@@ -39,8 +40,8 @@ pub fn new(content: Markup, lang: Language) -> Markup {
                         }
 
                         li {
-                            button id="language_toogle" lang="en" {
-                              "DE"
+                            button id="lang-toggle" lang=(lang.next_language()) {
+                              (lang.next_language())
                             }
                         }
                     }
@@ -62,5 +63,6 @@ pub fn new(content: Markup, lang: Language) -> Markup {
             }
             script src="/static/theme.js" {}
         }
+        }
     }
 }