Produce theme files in 10 colors

Colors are:
```
black  #000000
white  #ffffff
silver #d6d6d6
red    #ee3148
orange #eb7a55
yellow #fcd25a
green  #22df80
blue   #2299dd
pink   #e90f92
purple #7c60e0
```
Merge pull request #130 from HubSpot/themes-in-colors

Produce theme files in 10 colors