Typo: par page instead of per page

[jmlich]

The English string for SELECTS.PER_PAGE.LABEL in fittrackee-client-common, fittrackee_client/src/locales/cs/common.json, string 25
is par page, but should be per page

[SamR1]

Hi,

thanks, I'll fix it.

[SamR1]

I let the issue open until the release

[SamR1]

released in v0.8.4