chore: update dependencies

chore: update README

fix: add coveralls to devdependencies

chore: add node-coveralls

chore: add coveralls badge

chore: separate pm2 into its own command

chore: update dependencies

Merge pull request #1 from anthillsolutions/feat-webpack

chore: update email address

chore: update README with badges

fix: add webpack to dev dependencies

fix: adapt files and jest

fix: remove warning when building

refactor: replace gulp with webpack

fix: back to default