* start building ev3 landing page structure

* Inject translations, add more content and structure to ev3 landing page

* Add ev3 route

* add active styles for os chooser buttons

* Add ev3 assets

* Add content and intial styles for everything down to "Sample Projects"

* Add correct padding to all sections on ev3 page

* Add more margins to match the mockup

* Create os chooser component for reuse on other landing pages

* Make EV3 page stateful, add OS logic, change step styles, fix images on Chrome

* Add sample project cards and styles

* Add fixed ev3 icon svg

* Add app store badges (no href on links yet)

* Add section separator, fix sample project card margins

* Add border to project cards, make project cards clickable links

* Add FAQ boilerplate and styling from InformationPage component

* Add indented ol style, example

* Add link style with underline

* Add EV3 retail link

* Content updates

* Fix some z-index issues with os chooser

* micro:bit page mega-commit

* os chooser should not have a higher z-index than nav

* Update starter projects

* Localize OS chooser

* Add localization configuration for EV3 page

* Localize section titles on ev3 page

* Add starter project images and descriptions

* Add link to microbit.org

* Fix tip box width on microbit and ev3 pages

* add l10n strings up to things to try on ev3 page

* Fix lint error in ev3.scss

* Add download link style to ev3

* microbit getting started text and images

* Remove tip about microbit name

* Hex file and starter project download links

* microbit wording updates

* update images

* Fix issues with download link style

* text fix

* Add ev3 starter project downloads

* Add microbit l10n file and config

* Add l10n strings for microbit header and scratch link sections

* Add l10n strings for microbit page up to faq

* content updates

* Fix some page overflow issues

* microbit faq content and style

* Use zipped version of microbit hex file

* Add platform name to scratch link download button

* Add EV3 faq to l10n.json

* Add final strings from micro:bit and EV3 pages to l10n.json files

* Add white download asset

* Tweak styles for ev3 and microbit

* Add some final tweaks to the EV3 page styles

* Add TODO comments about refactoring duplicate code