Resolve "Allow setting of tardiness for multiple students at once, also suggest time from lesson start"

Closes #310 (closed)

added part::frontend prio::3 source::customer::kath labels

assigned to @ZugBahnHof

added 5 commits

• db974ffe - Suggest current time and predefined times for tardinesses using a combobox
• eccd44eb - Translate tardinesses and times further
• a111fc02 - Make participations an array
• 17b2950a - Allow setting tardiness for multiple people
• d382ce56 - Reformat

Compare with previous version

marked this merge request as ready

assigned to @hansegucker and unassigned @ZugBahnHof

requested review from @hansegucker

merged

mentioned in commit 60610b79