Fix table widths in lecture overview

Quarto derives the relative cell widths from the number of dashes in the line separating the table header from the table body [0]. As a consequence, the date column was very thin causing line breaks.

This commit completely removes all efforts to make the table look nice in ASCII in favor of a proper rendering as well as easier editing.

[0] https://quarto.org/docs/authoring/tables.html#column-widths

requested review from @m300827

added 1 commit

• ce91f96f - Fix table widths in lecture overview

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changed title from Fix table widths in leture overview to Fix table widths in lecture overview

approved this merge request

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mentioned in commit c8883c1b