feat: add Bitfocus Companion metadata

json/companion.json

@@ -0,0 +1,43 @@
+{
+    "name": "Bitfocus Companion",
+    "slug": "companion",
+    "categories": [
+        12
+    ],
+    "date_created": "2026-03-16",
+    "type": "ct",
+    "updateable": true,
+    "privileged": false,
+    "interface_port": 8000,
+    "documentation": "https://user.bitfocus.io/docs",
+    "website": "https://bitfocus.io/companion",
+    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/bitfocus-companion.webp",
+    "description": "Bitfocus Companion enables Stream Decks and other controllers to trigger actions in broadcast software. Installs headless with systemd, fetching the latest release from the Bitfocus API.",
+    "install_methods": [
+        {
+            "type": "default",
+            "script": "ct/companion.sh",
+            "resources": {
+                "cpu": 2,
+                "ram": 512,
+                "hdd": 8,
+                "os": "Debian",
+                "version": "12"
+            }
+        }
+    ],
+    "default_credentials": {
+        "username": null,
+        "password": null
+    },
+    "notes": [
+        {
+            "text": "Companion v4.x downloads are served through the Bitfocus API, not GitHub Releases.",
+            "type": "info"
+        },
+        {
+            "text": "Requires libusb for USB device (Stream Deck) bindings.",
+            "type": "info"
+        }
+    ]
+}