Added personal picture and added Author component

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

src/layout/mod.rs

@@ -10,15 +10,12 @@ use header::Header;
 pub fn Layout() -> Element {
     rsx! {
         div {
-            class: "flex justify-center ",
-            div {
-                class: "max-w-screen-xl flex-col" ,
-                Header {},
-                Body {
-                    Outlet::<Route> {},
-                }
-                Footer {},
+            class: "flex flex-col min-h-screen" ,
+            Header {},
+            Body {
+                Outlet::<Route> {},
             }
+            Footer {},
         }
     }
 }