fix(hook): Ignore non-directory platforms when processing icons and
splashscreens. Closes #87
docs(readme): Icons and Splash Screens Notes
0.5.2
docs(changelog): Update CHANGELOG
Merge commit 'a2fd4329f1262b6c9939738ae04c3149f3931d0b'

* commit 'a2fd4329f1262b6c9939738ae04c3149f3931d0b':
  docs(changelog): Update CHANGELOG
  0.5.2
  docs(readme): Icons and Splash Screens Notes
  fix(hook): Ignore non-directory platforms when processing icons and splashscreens. Closes #87