Resolve "Lab page should also have info on totals"

What does this mr do?

Add an indicator to show how many slots are taken in total for this lab.

Screenshots

Does this MR meet the acceptance criteria?

• I have added a changelog entry to reflect the significant changes I made.
• Tests were created to test the feature.
• I have updated the documentation accordingly.
• I adhere to the style guide.

Closes #516 (closed)

added priolow typefeature-request labels

assigned to @cedricwilleken

changed the description

@otto Currently students are also able to see this number of slots taken? Is this what we want or should it just be for teachers (and TA's)?

added 1 commit

• 43518e78 - Add number of booked slots to lab overview page

Compare with previous version

added 1 commit

• 179d5749 - Add changelog entry

Compare with previous version

marked the checklist item I have added a changelog entry to reflect the significant changes I made. as completed

marked the checklist item I adhere to the style guide. as completed

marked the checklist item I have updated the documentation accordingly. as completed

marked this merge request as ready

added 1 commit

• 7620fbef - Prevent students from seeing number of booked slots

Compare with previous version

resolved all threads

approved this merge request

started a merge train

merged

mentioned in commit e1eab317

unassigned @cedricwilleken