Filtering community solutions

[iHiD]

e.g. https://exercism.org/tracks/javascript/exercises/bob/solutions

• [x] Tests passing? (toggle)
• [x] Up to date? (toggle)
• [x] Received mentoring? (toggle)
• [x] Search for code
• [x] Order (newest or number of stars)

[ErikSchierboom]

The only thing that's left to do is searching for code. We have the code in elasticsearch already.