Update apps.json - add sotel platform

Add Sotel platform as ac Software as a Service on the cloud for businesses.

src/apps.json

@@ -10272,6 +10272,16 @@
       "script": "^/js/bundles/sonar\\.js?v=([\\d.]+)$\\;version:\\1",
       "website": "https://www.sonarqube.org/"
     },
+    "Sotel": {
+      "cats": [
+        1
+      ],
+      "icon": "Sotel.png",
+      "meta": {
+        "generator": "sotel"
+      },
+      "website": "https://www.soteledu.com/en/"
+    },
     "SoundManager": {
       "cats": [
         59