Make more attempts to improve SEO

See merge request !13

Update varia section

See merge request !36

Make contact forms look nice

See merge request !35

Also support other signature plugin

See merge request !34

Improve form look and feel

See merge request !33

# Conflicts:
#   style.css

Improve formatting of <details> tag

See merge request !32

Resolve "No blog posts are shown on the english landing page"

Closes #22

See merge request !31

Resolve "Landing page shows posts that are not yet published"

Closes #15

See merge request !30

Implement even more fixes for pages on screens with small width

See merge request !11

Re-add accidentally deleted style code

See merge request !28

Add privacy consent prompt

See merge request !25