Merge branch teckids.org:master into master

content/gemeinschaft/offene-gemeinschaft/campdays/index.md

content/gemeinschaft/offene-gemeinschaft/mitmachen/index.md

content/gemeinschaft/offene-gemeinschaft/wer.md

content/projekte/hack-n-fun/tinkering/index.en.md

content/projekte/hack-n-fun/tinkering/index.md

content/projekte/indiedact/digitale-muendigkeit/index.en.md

content/projekte/indiedact/digitale-muendigkeit/index.md

content/projekte/indiedact/kinder-digitales/index.md

content/projekte/indiedact/verstehbarkeit/index.en.md

content/projekte/indiedact/verstehbarkeit/index.md