#41 Use search result scores to show best matching result on top of list

By using a system to score each search result, the best results are shown on top of the list. This also lays the foundation for automated setup. Based on #11 Currently, the system decreases the score if this occurs: | Criteria | Score | | --- | --- | | Duration <180s | -0.5 | | Duration >600s | -1 | | 'radio' in title| -1 | | Artist does not match search | -2 | | Title does not match search | -2 | The system increases the score if this occurs: | Criteria | Score | | --- | --- | | Title is perfect match `==` | +1 | | Song duration is known | +0.1 | | File size is known | +0.1 | These lists will be updated upon further evaluation. Only results with a score greater than 0 are shown.

Tested for a night. Results look good, the desired item to download is always shown on top :+1: