More updates to duckpan new

thanks to @mwmiller for the feedback

cc// @mwmiller 

also @killerfish I made a new fn to check the current directory, get they type of IA we're working with and error out if it's Longtail or Fathead

Would appreciate any feedback :)

Note this has two accompanying change to the Spice and Goodie templates

- https://github.com/duckduckgo/zeroclickinfo-spice/pull/1185
- https://github.com/duckduckgo/zeroclickinfo-goodies/pull/700