Add info about membership desk (provided in-person by membership desk)

docs/facilities.md

@@ -344,3 +344,22 @@ Should you have problems during the event, there will be a QR code attached to e
 Power distribution boxes are shown on the [map](https://map.events.ccc.de/camp/2023/map/) if you activate the Power layer. The plan of the distribution boxes could change till the beginning of the camp. We will try to update it quickly on the map.
 
 ## Membership Desk
+
+The membership desk will be located in the Infodesk tent. Please ask at the Infodesk for membership services. Services provided are all things around the membership in the CCC. You can:
+
+* check your membership status
+* pay your membership fee
+* change your data like address, email or pgp-key
+* apply for membership
+
+Please keep in mind:
+
+* If you apply for membership you have to fill in an application for membership. Don't bring your own application form, as you have to fill in your data at the membershipdesk terminal.
+* You have to pay the membership fee for the first year, which is 72 Euros normal or 36 Euros reduced (for pupils and students, please bring a document to prove this). **Payments will only accepted in cash.**
+* If you are already member, please **bring your chaos number**.
+
+Opening hours:
+
+* day 1 until day 5: 13:00 - 19:00
+
+Important hint for volunteers/angels: due to the special requirements of this job, we usually won't be able to accept self-signups to this angel type.