docs: align web package favicon with console design for consistency

packages/web/public/favicon.svg

@@ -1,5 +1,4 @@
-<svg width="600" height="600" viewBox="0 0 600 600" fill="none" xmlns="http://www.w3.org/2000/svg">
-<rect width="600" height="600" fill="black"/>
-<path fill-rule="evenodd" clip-rule="evenodd" d="M115 180H300V420H115V180ZM253.75 229.044H161.25V370.405H253.75V229.044Z" fill="white"/>
-<path d="M346.25 180H485V229.044H392.5V370.405H485V419.449H346.25V180Z" fill="white"/>
+<svg width="400" height="400" viewBox="0 0 400 400" fill="none" xmlns="http://www.w3.org/2000/svg">
+<rect width="400" height="400" fill="#0E0E0E"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M312 340H88V60H312V340ZM256 116H144V284H256V116Z" fill="white"/>
 </svg>