refer to upstream image in config

nextcloud/config.json

@@ -1,6 +1,6 @@
 {
   "name": "Nextcloud OCR",
-  "url": "https://github.com/linuxserver/docker-nextcloud",
+  "url": "https://hub.docker.com/r/linuxserver/nextcloud",
   "version": "20.0.7",
   "slug": "nextcloud_ocr",
   "ingress": false,
@@ -20,18 +20,20 @@
   ],
   "ports": {
     "443/tcp": 8099,
-	"80/tcp": null
+    "80/tcp": null
   },
   "environment": {
-  "PUID": 0,
-  "PGID": 0
+    "PUID": 0,
+    "PGID": 0
   },
   "webui": "https://[HOST]:[PORT:443]",
   "panel_icon": "mdi:cloud",
   "options": {
     "PUID": 0,
-    "PGID": 0, 
-    "trusted_domains": ["your-domain"],
+    "PGID": 0,
+    "trusted_domains": [
+      "your-domain"
+    ],
     "OCR": false,
     "OCRLANG": "fra"
   },
@@ -40,7 +42,9 @@
     "PGID": "int",
     "OCR": "bool?",
     "OCRLANG": "list(afr|amh|ara|asm|aze|bel|ben|bih|bod|bos|bul|cat|ceb|ces|chr|cym|dan|deu|div|dzo|ell|eng|enm|epo|est|eus|fas|fin|fra|frk|frm|gle|glg|grc|guj|hat|heb|hin|hrv|hun|iku|ind|isl|ita|jav|jpn|kan|kat|kaz|khm|kir|kmr|kor|lao|lat|lav|lit|mal|mar|mkd|mlt|mri|msa|mya|nep|nld|nor|ori|pan|pol|por|pus|ron|rus|san|sin|slk|slv|snd|spa|sqi|srp|swa|swe|syr|tam|tel|tgk|tgl|tha|tir|tur|tyv|uig|ukr|urd|uzb|vie|yid|zlm)?",
-    "trusted_domains": ["str?"],
+    "trusted_domains": [
+      "str?"
+    ],
     "TZ": "str?"
   }
-}
+}