ONLYOFFICE Docs (#5420)

* 'Add new script'

* Update install/onlyoffice-install.sh

* Update onlyoffice-install.sh

* add info for credentials

* Update onlyoffice.sh

* curl

* naming

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: Slaviša Arežina <58952836+tremor021@users.noreply.github.com>
Co-authored-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>

frontend/public/json/onlyoffice.json

@@ -0,0 +1,40 @@
+{
+  "name": "ONLYOFFICE Docs",
+  "slug": "onlyoffice",
+  "categories": [
+    9
+  ],
+  "date_created": "2025-06-17",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": 80,
+  "documentation": "https://helpcenter.onlyoffice.com/docs",
+  "website": "https://onlyoffice.com/",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/onlyoffice.webp",
+  "config_path": "/etc/onlyoffice/documentserver/local.json",
+  "description": "ONLYOFFICE Docs is an open-source online office suite that provides collaborative editors for text documents, spreadsheets, and presentations, fully compatible with Microsoft Office formats (DOCX, XLSX, PPTX).",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/onlyoffice.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 2048,
+        "hdd": 10,
+        "os": "Debian",
+        "version": "12"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": "admin",
+    "password": "admin"
+  },
+  "notes": [
+        {
+            "text": "Database / RabbitMQ Credentials: `cat ~/onlyoffice.creds`",
+            "type": "info"
+        }    
+  ]
+}