Add parserOptions.sourceType = "script" to es5.js
Add parserOptions.sourceType = "script" to es5.js

This fixes an issue where the ESLint parser silently switches back to ES2015 because sourceType is still set to "module" when extending the base rules.

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