changed app linkding: testing env variables

apps/linkding/config.json

@@ -13,23 +13,6 @@
   "author": "sissbruecker",
   "source": "https://github.com/sissbruecker/linkding",
   "website": "https://www.linkding.link/",
-  "form_fields": [
-    {
-      "type": "text",
-      "label": "Initial superuser name",
-      "max": "50",
-      "required": true,
-      "placeholder": "admin",
-      "env_variable": "SUPERUSER_NAME"
-    },
-    {
-      "type": "password",
-      "label": "Initial superuser password",
-      "max": "100",
-      "required": true,
-      "env_variable": "SUPERUSER_PASSWORD"
-    }
-  ],
   "supported_architectures": ["arm64", "amd64"],
   "created_at": 1763331296327,
   "updated_at": 1763333712520

apps/linkding/docker-compose.json

@@ -7,8 +7,8 @@
       "isMain": true,
       "internalPort": 9090,
       "environment": [
-        { "key": "LD_SUPERUSER_NAME", "value": "${SUPERUSER_NAME}" },
+        { "key": "LD_SUPERUSER_NAME", "value": "${SUPERUSER_NAME:-admin}" },
-        { "key": "LD_SUPERUSER_PASSWORD", "value": "${SUPERUSER_PASSWORD}" }
+        { "key": "LD_SUPERUSER_PASSWORD", "value": "${SUPERUSER_PASSWORD:-l1nkd1ng}" }
       ],
       "volumes": [
         {