* Update ics.md
* Add information about Kreisstadt Groß-Gerau
* Create keisstadt_gg_de.md
* Adde explanation for configuring the GG waste schedule
* changed files to be consistant as ICS source
fixed file naming
added yaml
added comment to url retreaval
run update_docu_links.py to update (readme/info/ics).md and generate actual source md
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Co-authored-by: 5ila5 <5ila5@users.noreply.github.com>