Add yarn command for running lint and prettier with cache options

To quickly fix all fixable issues.
Also turned off some prettier spam for this command.
Prettier cache is stored under node_modules so no need to gitignore that.

.gitignore

@@ -6,5 +6,6 @@ __snapshots__
 *.swp
 docker/*
 !docker/docker-compose.custom.yml
+test/hasura/.eslintcache
 test/hasura/dist/*
 test/hasura/latest-dataset.json

test/hasura/package.json

@@ -17,6 +17,7 @@
     "test-hsl": "HASURA_DATABASE_SCHEMA=hsl yarn test",
     "ts:check": "tsc --noEmit",
     "qa": "yarn lint && yarn prettier:check && yarn ts:check && yarn test",
+    "qa:fix": "yarn lint --fix --cache && yarn prettier --loglevel warn --cache",
     "timetables-data-inserter:build": "tsc -p ./tsconfig-cli.json && tsc-alias -p ./tsconfig-cli.json",
     "timetables-data-inserter:clean": "rm -rf ./dist",
     "timetables-data-inserter:cli": "node dist/timetables-data-inserter/cli.js"