Switch from statik to go1.16 embed

[drmikecrowe]

I had a couple of issues hosting:

• I was able to deploy my own version and update the .go files w/o an issue
• When I tried to update the install script, I could not determine how to update scripts/install.sh and include.
• I installed and was able run statik -dest=.. -f -p=scripts -src=../scripts -include=*.sh manually
• Could not determine how to deploy to my heroku instance. Once I updated scripts/statik.go, I started getting 500 errors in heroku.

[jpillora]

Agreed, this can now be made much simpler with https://golang.org/pkg/embed/ newly released in go 1.16

Will update this issue, once we switch, then its just a go build and you're done

[jpillora]

Sorry, I'm also assuming we won't need the extra documentation if it works with a go build - but maybe it still needs docs...