.build.yml: Set NIX_CONFIG to allow flakes

README.md: Add build badge

.gitignore: Add .direnv and .envrc

Remove unused environment variable

Use flakes

Add elm-review configuration and address errors

.build.yml: Remove unused secret

Use wordlist from COR

Also, in preparation for using nix flakes, actually commit the generated
wordlist.

Add touch-action: manipulation to keyboard style

Solution found here:
https://stackoverflow.com/a/41722252/1582220

Documentation:
https://developer.mozilla.org/en-US/docs/Web/CSS/touch-action

Add maximum-scale

Use a rust-script to extract base word

Add user-scalable=no

This should fix issues with zooming on ios

Update README.md with `make_wordlist`

Remove wordlist from git

And a space after the word

Also allow sharing failures

Add share capability

Add end messages

Don't check inputs if there are already 6 guesses

Save guesses in LocalStorage