Added personal picture and added Author component

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

src/main.rs

@@ -75,7 +75,7 @@ fn App() -> Element {
 fn PageNotFound(route: Vec<String>) -> Element {
     rsx! {
         div {
-            class: "h-screen flex items-center justify-center",
+            class: "h-screen items-center justify-center",
             img {
                 class: "size-auto",
                 src: "https://raw.githubusercontent.com/SAWARATSUKI/ServiceLogos/main/404Notfound/NotFound.png"
@@ -92,7 +92,7 @@ pub struct BodyProp {
 pub fn Body(prop: BodyProp) -> Element {
     rsx! {
         div {
-            class: "my-4 flex justify-center",
+            class: "flex-grow container mx-auto p-4",
             {prop.children}
         }
     }