Fixes wrong hyperlinks

doc/frontend/README.md

@@ -1,6 +1,6 @@
 Here you will find all documentation
 
-- [Backbone with organizations](doc/frontend/js/backbone-with-organizations.md)
-- [Global objects](doc/frontend/js/global-objects.md)
-- [Conventions](doc/frontend/js/conventions.md)
-- [URLs](doc/frontend/urls.md)
+- [Backbone with organizations](js/backbone-with-organizations.md)
+- [Global objects](js/global-objects.md)
+- [Conventions](js/conventions.md)
+- [URLs](urls.md)