Helium Hotspot Dashboard V2

What's Changed

• Make an actual readme by @MrDanaT in #1
• V2 by @MrDanaT in #2
• Convert reward data to Excel feature by @MrDanaT in #3
• Add caching by @MrDanaT in #4
• Last cleanup for V2 by @MrDanaT in #6

Full Changelog: https://github.com/MrDanaT/helium-hotspot-dashboard/commits/helium-hotspot-dashboard