💄 style(layout): add horizontal padding to top-offset divs for consistent spacing

Replaced every instance of
<div className="mt-[64px]">
with
<div className="mt-[64px] px-2">
to provide uniform horizontal padding across pages. No functional changes—visual layout improvement only.

web/src/pages/Channel/index.js

@@ -3,7 +3,7 @@ import ChannelsTable from '../../components/table/ChannelsTable';
 
 const File = () => {
   return (
-    <div className="mt-[64px]">
+    <div className="mt-[64px] px-2">
       <ChannelsTable />
     </div>
   );