.build.yml: Set NIX_CONFIG to allow flakes
README.md: Add build badge
.gitignore: Add .direnv and .envrc
Remove unused environment variable
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
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