fix: remove extra console log
feat: remove query string if present and do alt search
chore: ignore .DS_Store
test: add test scaffolding for Karma
fix: remove unused file
refactor: move discussion page into models
refactor: lowercase url
feat: more alternate search patterns

- move alternate search into a service
- tests for alternate search
feat: add / remove trailing slash
fix: clone to avoid overrides
feat: strip mobile subdomains
feat: remove mobile subdomains