Anki import with newer API

Basic Anki support and plan for sync (#9)

* centralize with robo.yml

* update CI settings

* performance hits on large number of cards

* set basis for pouchdb and couchdb

* correct appveyor.yml

* add basic import/export functions

* add more basic sqlite functions

* fully configue node-sqlite3

* make it work

* use table+join instead of Set row

* try create syncing skeleton

* try running

* finalize anki support

* build to exe

* correct CI

Fixes Anki import

Also can import multiple Anki's concurrently via worker_threads.

Anki-compatible local versions built with Electron and pkg

No Docker or Network connections needed.

Totally offline.

better-sqlite3 based.

May crash if upload too many *.apkg's at once.

Multiple lessons with Docker

v0.2.1

update package-lock.json

Multiple lessons

v0.2

update

Single lesson

v0.1.1

forward to https

Single lesson

v0.1

Create LICENSE