Get scrapers running on a server

[antidipyramid]

• [x] stash a password encrypted zip of the database into a release from this repo
• [x] store the password in the repo's secrets
• [x] write a github action that decrypts the database and publishes it with "datasette publish" to heroku
• [x] use the https://datasette.io/plugins/datasette-auth-passwords to password protect the hosted database.

[fgregg]

also add this plugin https://datasette.io/plugins/datasette-auth-tokens