Display search result score during user testing

[Bisaloo]

If we go with option 2 in epiverse-connect/epiverse-search#17 (which seemed to be the WHO preference), we will need to figure out the value of this threshold through user testing.

For this, we would need to have the score value (as defined in https://github.com/epiverse-connect/epiverse-search/blob/a442a326cf9a8772cc9255e0852c12b8a5a6bfec/design/api-design.md?plain=1#L31) displayed next to the search result during user testing.

[chartgerink]

I can add this to the front-end easily, and will try something out to get us started.

[chartgerink]

Added in fa6c696