Update release instructions

Author: NoahAndrews

README.md

@@ -10,4 +10,5 @@ This package enables Node.js applications to use a CAN bus over USB.
 4. Commit change to git
 5. Run `git tag v<version>`
 6. Run `git push --tags` 
-7. Run `npm publish`
+7. Run `npm publish --access public`
+8. Create a new release on GitHub with an explanation of the changes