New URL for Liege Hackerspace (#306)

Updated the URL for Liege Hackerspace in directory.json.

Author: iooner

directory.json

@@ -115,7 +115,7 @@
   "LeineLab": "https://leinelab.org/api/spaceapi.json",
   "Leitstelle511": "https://hannover.ccc.de/spaceapi.json",
   "Level2": "https://level2.lu/spaceapi/",
-  "Liege Hackerspace": "https://lghs.be/spaceapi",
+  "Liege Hackerspace": "https://lghs.be/sapi/",
   "LINKping": "https://spaceapi.linkping.org",
   "Linux User Group Saar": "https://lugsaar.de/spaceapi/api.json",
   "London Hackspace": "https://london.hackspace.org.uk/spaceapi",