realraum endpoint update (#314)

Author: btittelbach

directory.json

@@ -228,7 +228,7 @@
   "nbsp": "https://status.nobreakspace.org/spaceapi.json",
   "nordlab e. V.": "http://spaceapi.nordlab-ev.de",
   "q30.space": "https://spaceapi.q30.space",
-  "realraum": "http://realraum.at/status.json",
+  "realraum": "https://status.realraum.at/spaceapi.json",
   "section77": "https://api.section77.de/",
   "see-base": "https://bodensee.space/spaceapi/see-base.json",
   "shackspace - stuttgart hackerspace": "https://api.shackspace.de/v1/spaceapi",