ConvertX (#5484)

* 'Add new script'

* curl

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>

frontend/public/json/convertx.json

@@ -0,0 +1,40 @@
+{
+    "name": "ConvertX",
+    "slug": "convertx",
+    "categories": [
+        9
+    ],
+    "date_created": "2025-05-22",
+    "type": "ct",
+    "updateable": true,
+    "privileged": false,
+    "config_path": "/opt/convertx/.env",
+    "interface_port": 3000,
+    "documentation": "https://github.com/C4illin/ConvertX",
+    "website": "https://github.com/C4illin/ConvertX",
+    "logo": "https://raw.githubusercontent.com/selfhst/icons/refs/heads/main/svg/convertx.svg",
+    "description": "ConvertX is a self-hosted online file converter supporting over 1000 formats, including images, audio, video, documents, and more, powered by FFmpeg, GraphicsMagick, and other libraries.",
+    "install_methods": [
+        {
+            "type": "default",
+            "script": "ct/convertx.sh",
+            "resources": {
+                "cpu": 2,
+                "ram": 4096,
+                "hdd": 20,
+                "os": "Debian",
+                "version": "12"
+            }
+        }
+    ],
+    "default_credentials": {
+        "username": null,
+        "password": null
+    },
+    "notes": [
+        {
+            "text": "Complete setup via the web interface at http://<container-ip>:3000. Create and secure the admin account immediately.",
+            "type": "info"
+        }
+    ]
+}