Update README.md
Update README.md
update config.json to fix uri

the "destroy-me" component looks to have an incorrect uri script reference. Updated to use /engine/components/logic-destroy-me.js
Merge pull request #3 from erikyuzwa/patch-1

update config.json to fix uri
Merge branch 'master' of https://github.com/PBS-KIDS/Platypus
Removed two references to components that are not used in the example game.