Import study link (#1)

* add bug to todo

* disabled import study button if no study ID is selected, but always show if logged in as not to break the layout

* basic import of lichess study link

* change interface import

* Minmax M3 solution to import study chapter/game functionality

* change button text

* fix toast to display on study and chapter load

* add lint and format fix scripts

* apply auto formatting

* update ignored directories

* fix specificity

* add rudimentary PDF count metrics

* allow docker build

* create maintenance mode banner, triggered by env variables

TODO

@@ -8,4 +8,8 @@
 - generate state and check it against the state returned from lichess https://lichess.org/api#tag/oauth/GET/oauth
 - checkbox and toggle disabled states
 - react query on for study and chapter load, to allow caching
-- https://specification.website/checklist/
+- https://specification.website/checklist/
+
+- Custom headers do not work - the subtitle is appearing above every thing on first page, and the game starts 2nd page
+
+- react query to cache the study and chapters