Update kurse.json (#109)

Co-authored-by: d11n <mail@dennisreimann.de>

content/kurse.json

@@ -1,12 +1,4 @@
 [
-  {
-    "name": "VHS-Kurs Trading im Turm, Kempten",
-    "url": "https://t.me/EinundzwanzigKempten",
-    "top": 77,
-    "left": 41,
-    "country": "DE",
-    "state": ["Bayern"]
-  },
   {
     "name": "VHS-Kurs am Bodensee",
     "url": "https://vhs-bodenseekreis.de/Veranstaltung/cmx62985260f00f8.html",
@@ -14,5 +6,10 @@
     "left": 35,
     "country": "DE",
     "state": ["Baden-Württemberg"]
+  },
+  {
+    "name": "VHS-Kurs Bitcoin für Einsteiger",
+    "url": "https://webinare-vhs.de/webinare/webinare-mensch-und-wissen.html?action%5B89%5D=course&courseId=483-C-N85035010",
+    "country": "DE"
   }
 ]