Detect is404 even if logged out (#99)

Author: privatenumber

index.ts

@@ -11,7 +11,7 @@ collect.set('__urls_that_dont_match__', [
 	'https://github.com/sindresorhus/refined-github/issues/templates/edit',
 ]);
 
-export const is404 = (): boolean => document.title === 'Page not found · GitHub';
+export const is404 = (): boolean => document.title.startsWith('Page not found · GitHub'); // #98
 
 export const is500 = (): boolean => document.title === 'Server Error · GitHub' || document.title === 'Unicorn! · GitHub' || document.title === '504 Gateway Time-out';