Complete the price page

[ianalexmac]

Raincloud plots added, as well as data point tips for exploring which town corresponds to the selected (hovered) dot.

[ianalexmac]

• [x] adjust color palette of raincloud plots
• [x] remove y axis label on raincloud
• [x] revamp regional prose
• [x] add labels/legends for temporal graphs

[ianalexmac]

The price page is done for now, I'm transitioning to writing inline functions.