Fix api readme links

doc/api/README.md

@@ -72,11 +72,12 @@ When listing resources you can pass the following parameters:
 + [Users](doc/api/users.md)
 + [Session](doc/api/session.md)
 + [Projects](doc/api/projects.md)
-+ [Groups](doc/api/groups.md)
-+ [Snippets](doc/api/snippets.md)
++ [Project Snippets](doc/api/project_snippets.md)
 + [Repositories](doc/api/repositories.md)
 + [Issues](doc/api/issues.md)
 + [Milestones](doc/api/milestones.md)
 + [Notes](doc/api/notes.md)
++ [Deploy Keys](doc/api/deploy_keys.md)
 + [System Hooks](doc/api/system_hooks.md)
++ [Groups](doc/api/groups.md)
 + [User Teams](doc/api/user_teams.md)