AdGuardHome-Sync (#9783)

Co-authored-by: Slaviša Arežina <58952836+tremor021@users.noreply.github.com>
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>
Co-authored-by: Tobias <96661824+CrazyWolf13@users.noreply.github.com>

frontend/public/json/adguardhome-sync.json

@@ -0,0 +1,59 @@
+{
+    "name": "AdGuardHome-Sync",
+    "slug": "adguardhome-sync",
+    "categories": [
+        9
+    ],
+    "date_created": "2025-12-08",
+    "type": "addon",
+    "updateable": true,
+    "privileged": false,
+    "interface_port": 8080,
+    "documentation": "https://github.com/bakito/adguardhome-sync",
+    "website": "https://github.com/bakito/adguardhome-sync",
+    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/adguardhome-sync.webp",
+    "config_path": "/opt/adguardhome-sync/adguardhome-sync.yaml",
+    "description": "Synchronize AdGuardHome config to one or multiple replica instances. Syncs General Settings, Filters, Rewrites, Services, Clients, DNS Config, DHCP Config and Theme.",
+    "install_methods": [
+        {
+            "type": "default",
+            "script": "tools/addon/adguardhome-sync.sh",
+            "resources": {
+                "cpu": null,
+                "ram": null,
+                "hdd": null,
+                "os": null,
+                "version": null
+            }
+        },
+        {
+            "type": "alpine",
+            "script": "tools/addon/adguardhome-sync.sh",
+            "resources": {
+                "cpu": null,
+                "ram": null,
+                "hdd": null,
+                "os": null,
+                "version": null
+            }
+        }
+    ],
+    "default_credentials": {
+        "username": null,
+        "password": null
+    },
+    "notes": [
+        {
+            "text": "Edit /opt/adguardhome-sync/adguardhome-sync.yaml to configure your AdGuardHome instances",
+            "type": "info"
+        },
+        {
+            "text": "Origin = Primary instance, Replicas = Instances to sync to",
+            "type": "info"
+        },
+        {
+            "text": "Update with: update_adguardhome-sync",
+            "type": "info"
+        }
+    ]
+}