Update default.json

Use https://beta.openhive.network to enable testing against eclipse API node

config/default.json

@@ -4,7 +4,7 @@
   "helmet": {
     "directives": {
       "childSrc": "'self' 3speak.online emb.d.tube player.twitch.tv www.youtube.com staticxx.facebook.com w.soundcloud.com player.vimeo.com",
-      "connectSrc": "https://images.hive.blog 'self' hive.blog https://api.hive.blog api.blocktrades.us https://anyx.io https://hivesigner.com",
+      "connectSrc": "https://beta.openhive.network https://images.hive.blog 'self' hive.blog https://api.hive.blog api.blocktrades.us https://anyx.io https://hivesigner.com",
       "defaultSrc": "tpc.googlesyndication.com 'self' img.3speakcontent.online emb.d.tube www.youtube.com staticxx.facebook.com player.vimeo.com *.streamrail.com",
       "fontSrc": "data: fonts.gstatic.com",
       "frameAncestors": "'none'",
@@ -35,11 +35,11 @@
   "session_key": "haRYmEDmAndOgRempfLetIVI",
   "site_domain": "hive.blog",
   "upload_image": false,
-  "steemd_connection_client": "https://api.hive.blog",
-  "steemd_connection_server": "https://api.hive.blog",
+  "steemd_connection_client": "https://beta.openhive.network",
+  "steemd_connection_server": "https://beta.openhive.network",
   "steemd_use_appbase": false,
   "chain_id": "0000000000000000000000000000000000000000000000000000000000000000",
-  "alternative_api_endpoints": "https://api.hive.blog https://anyx.io",
+  "alternative_api_endpoints": "https://api.hive.blog https://anyx.io https://beta.openhive.network",
   "failover_threshold": 3,
   "address_prefix": "STM",
   "conveyor_posting_wif": false,