Increase number of CV proposals per page

[daithi-coombes]

Currently proposals per page are hardcoded to 5 which may be a bit low for some users. Might be good feature to have dropdown selecting proposals per page.

[vivianedias]

If its open I can take this one! @daithi-coombes

[daithi-coombes]

@vivianedias excellent 👍

Here is what I have gotten so far: #5