* setup linting with eslint-config-standard, prettier
* [autofix] npm run lint -- --fix with new setup
* [manual] fix types/ directory errors
* [manual] fix linting errors in test/ directory
* [manual] fix single linting error in src/
* revert ts-expect-error comment change
* error on .only in mocha tests
* fix test description typo
* move some short objects to single line
* add and gitignore eslintcache
* individually suppress ts any
* set --max-warnings to 0
* extract matrices to constants
* update ts-expect-error comments