chore: update app, infra configs, assets

infra/docker/keagate/local.json

@@ -1,5 +1,5 @@
 {
-  "HOST": "https://doge.capay.hao.work",
+  "HOST": "https://capay.hao.work",
   "PORT": 8081,
   "MONGO_CONNECTION_STRING": "mongodb://localhost:27017",
   "MONGO_KEAGATE_DB": "keagate",
@@ -14,11 +14,6 @@
   "INVOICE_ENC_KEY": "hex-32-bytes",
   "IPN_HMAC_SECRET": "replace-hmac-secret",
 
-  "DOGE": {
-    "ADMIN_PUBLIC_KEY": "DogePublicAddress",
-    "ADMIN_PRIVATE_KEY": null
-  },
-
   "SOL": {
     "ADMIN_PUBLIC_KEY": "SolPublicAddress",
     "ADMIN_PRIVATE_KEY": null