Expensify app

• clean - clear (remove) dist catalogue
• serve - run web server
• build:dev - create build like on dev server
• build:prod - crete build this same like on production server //NODE_ENV sets to webp[ack config, heroku sets this flag on his own process
• test - run tests
• test-coverage - create tests coverage
• test-watch - rerun tests on every change
• start - run node process, needs build process first to run locally because it use dist files, heroku ese this proces to run his own node server
• heroku-postbuild - run by heroku after install packages and before start