frontend:
- add checkbox to basic crawl config component which sets 'extraHops' to 1, otherwise to 0
- text tweaks: rename Scope Type -> Crawl Scope, capitalization
backend: add 'extraHops' to CrawlConfig
fixes#102
- Leverage webpack chunk splitting to creating more, smaller JS files rather than one large main file (import(file) syntax)
- Enable long-term caching by adding content hash to output file names
- Copy entire /dist folder contents in Dockerfile
- Changed yarn start-dev -> yarn start since there is no prod server
- Reenable locale picker
- Show toast alert when user is verified
- Redirect to correct page on verified
- Update already-logged in user info on verify
- Adds new toast component
closes#39
