feat(data): add Wikipedia URLs for 3 confirmed tablets and watches

Author: Seungpyo1007

data/tablet/nokia/2013/lumia-2520/nokia-lumia-2520-2gb-2gb-4g-lte.json

@@ -10,7 +10,8 @@
   "os": "Microsoft Windows RT",
   "verified": false,
   "source_urls": [
-    "https://aitoolbuzz.com/mobiles/nokia-lumia-2520"
+    "https://aitoolbuzz.com/mobiles/nokia-lumia-2520",
+    "https://en.wikipedia.org/wiki/Nokia_Lumia_2520"
   ],
   "variant": {
     "region": "global",

data/tablet/nokia/2013/lumia-2520/nokia-lumia-2520-aitoolbuzz-7226-2gb-32gb-4g-lte.json

@@ -10,7 +10,8 @@
   "os": "Microsoft Windows RT",
   "verified": false,
   "source_urls": [
-    "https://aitoolbuzz.com/mobiles/nokia-lumia-2520"
+    "https://aitoolbuzz.com/mobiles/nokia-lumia-2520",
+    "https://en.wikipedia.org/wiki/Nokia_Lumia_2520"
   ],
   "variant": {
     "region": "global",

data/tablet/vivo/2022/x-fold/vivo-x-fold-12gb-12gb-5g.json

@@ -10,7 +10,8 @@
   "os": "Android 12, OriginOS Ocean",
   "verified": false,
   "source_urls": [
-    "https://aitoolbuzz.com/mobiles/vivo-x-fold"
+    "https://aitoolbuzz.com/mobiles/vivo-x-fold",
+    "https://en.wikipedia.org/wiki/Vivo_X_Fold"
   ],
   "variant": {
     "region": "global",