Add asterisk json

frontend/public/json/asterisk.json

@@ -0,0 +1,36 @@
+{
+  "name": "Asterisk",
+  "slug": "asterisk",
+  "categories": [
+    0,
+    4
+  ],
+  "date_created": "2025-05-13",
+  "type": "ct",
+  "updateable": false,
+  "privileged": false,
+  "interface_port": null,
+  "documentation": "https://docs.asterisk.org/",
+  "config_path": "/etc/asterisk",
+  "website": "https://asterisk.org/",
+  "logo": "https://docs.asterisk.org/favicon.ico",
+  "description": "Asterisk is an open-source framework for building communications applications, most commonly used as a phone system (PBX). Developed by Digium (now part of Sangoma), it turns a standard computer into a powerful telephony server.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/asterisk.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 2048,
+        "hdd": 4,
+        "os": "Debian",
+        "version": "12"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": []
+}