Init Test ads

Author: Kwonhyukjoon

wallet/ad_list.json

@@ -15,6 +15,21 @@
             "linkUrl":
                 "https://mantrachain.io/resources/announcements/mantra-chain-coin-upgrade-timeline-and-key-details",
             "title": "$OM -> $MANTRA Upgrade"
+        },
+        {
+            "id": "2026-01-20-002",
+            "priority": 1,
+            "startAt": "2026-01-20T00:00:00Z",
+            "endAt": "2026-03-02T00:00:00Z",
+            "images": {
+                "extension":
+                    "https://raw.githubusercontent.com/cosmostation/chainlist/master/wallet/ad-resource/extension-2026-01-20-001.png",
+                "mobile":
+                    "https://raw.githubusercontent.com/cosmostation/chainlist/master/wallet/ad-resource/mobile-2026-01-20-001.png"
+            },
+            "linkUrl":
+                "https://mantrachain.io/resources/announcements/mantra-chain-coin-upgrade-timeline-and-key-details",
+            "title": "$OM -> $MANTRA Upgrade"
         }
     ]
 }