UX updates - watchlist - V2.1

[sarahlallemandsl]

Some updates off the back of the Nov 22 demo include:

• larger buttons
• darker button states
• bar along the top indicating the length of the time which the chart displays
• current price is now right aligned (for .00 to match up), size and positioning of the fields have been updated to accommodate
• update to functionality: the menu closes when the user is no longer hovering over the card
• new behaviour: appearance of the card once it is deleted

Specs to be found here: https://github.com/ScottLogic/StockFlux/tree/UX/assets/specs/watchlist/v2
Watchlist is available on Invision for specs.

[Johnston97]