'Add new script' (#8452)

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

frontend/public/json/open-archiver.json

@@ -0,0 +1,40 @@
+{
+  "name": "Open-Archiver",
+  "slug": "open-archiver",
+  "categories": [
+    7
+  ],
+  "date_created": "2025-09-30",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": 3000,
+  "documentation": "https://docs.openarchiver.com/",
+  "config_path": "/opt/openarchiver/.env",
+  "website": "https://openarchiver.com/",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/OpenArchiver.webp",
+  "description": "Open Archiver is a secure, self-hosted email archiving solution, and it's completely open source. Get an email archiver that enables full-text search across email and attachments. Create a permanent, searchable, and compliant mail archive from Google Workspace, Microsoft 35, and any IMAP server.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/open-archiver.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 3072,
+        "hdd": 8,
+        "os": "debian",
+        "version": "13"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": [
+    {
+      "text": "Data directory is: `/opt/openarchiver-data`. If you have a lot of email, you might consider mounting external storage to this directory.",
+      "type": "info"
+    }
+  ]
+}