feat: Make file extensions mandatory in imports
feat: Make file extensions mandatory in imports

Fixes https://github.com/peerigon/eslint-config-peerigon/issues/19

BREAKING CHANGE:
- "import/extensions": ["error", "ignorePackages"],

peerigon/eslint-config-peerigon,peerigon/eslint-config-peerigon,peerigon/eslint-config-peerigon