Fix SG logo in local and preview setup (#745)

Fix SG logo in local and preview setup

Author: MaedahBatool

src/components/Logo.tsx

@@ -5,12 +5,12 @@ export function Logo(props: React.ComponentPropsWithoutRef<'svg'>) {
 		<>
 			<img
 				className="hidden h-[23px] w-[190px] dark:block"
-				src={`${basePath}/logo-theme-dark.svg`}
+				src={`/docs/logo-theme-dark.svg`}
 				alt="Sourcegraph Docs"
 			/>
 			<img
 				className="block h-[23px] w-[190px] dark:hidden"
-				src={`${basePath}/logo-theme-light.svg`}
+				src={`/docs/logo-theme-light.svg`}
 				alt="Sourcegraph Docs"
 			/>
 		</>