Add `propTypes` to components

[mmmavis]

Per discussion in https://github.com/mozilla/teach.webmaker.org/issues/791, we should make sure propTypes is included when building React components.

This is a meta ticket to track components that are missing the propTypes.

(list to be updated)

in event-resources.jsx

• [x] EventItem
• [ ] LogoAsset
• [ ] LogoAssetLink
• [ ] RemixLink
• [ ] EventDetail

  in activities.jsx

• [ ] ActivityKit
• [ ] HiveLink

  in clubs-toolkit.jsx

• [ ] Toolkit
• [ ] ToolkitList
• [ ] ToolkitListItem

  in placeholder.jsx

• [ ] PlaceholderPage

  in web-literacy.jsx

• [ ] WebMaps
• [ ] WebMap

  in expander.jsx

• [ ] Expander

  in hero-unit.jsx

• [ ] HeroUnit

  in icon-link.jsx

• [ ] LinkSwap
• [ ] IconLink

  in icon-links.jsx

• [ ] IconLinks

  in illustration.jsx

• [ ] Illustration

  in login.jsx

• [ ] LogoutLink
• [ ] LoginLink

  in map.jsx

• [ ] MarkerPopupClub

  in modal.jsx

• [ ] Modal

  in page-end-cta.jsx

• [ ] AndAction
• [ ] PageEndCTA

  in timeout-transition-group.jsx

• [ ] TimeoutTransitionGroupChild
• [ ] ``

  in .jsx

• [ ] ``
• [ ] ``
• (could be more)

[mmmavis]

obsolete :no_good: