Better alt text for standard JS badges
Better alt text for standard JS badges

The existing ‘JavaScript Style Guide’ is a bit generic and doesn’t really define what standard does. This amends the alt text to be more explanatory to the user.

This also updates the alt text of the README header to match the badges.
standard/standard,feross/standard,feross/standard,JedWatson/happiness,JedWatson/happiness,LinusU/standard,standard/standard,SimenB/standard,SimenB/standard,LinusU/standard