Rewrite rating result with score range of (0, 1) and weight

With a unique score the rating functions are comparable. With the
score weight ratings can be prioritized.
Extract page properties to extra module
Rewrite urlUtils with url package
Improve error handling
Externalize and inject page inspector
Fix scope of trim function
Add numeric filter
Improve rating of keywords
Add keyword rankings for title and headers
Add properties for keywords in headers and description
Prettify ratings with progressbars
Add flags to show properties
Externalize css
Add missing service
Add filter pages, ratings, and properties
Improve inspector
Remove doublicat crawled pages
Moved ratings and properties to extra folders
Add rating for keywords in description