add orbinum-testnet

Author: 0xKheops

data/networks-polkadot.yaml

@@ -4038,6 +4038,13 @@
   name: Opportunity
   isDefault: false
   rpcs: []
+- id: orbinum-testnet
+  isTestnet: true
+  name: Orbinum Testnet
+  isDefault: false
+  rpcs:
+    - wss://rpc-1.testnet.orbinum.io
+    - wss://rpc-2.testnet.orbinum.io
 - id: pangoro-testnet
   isTestnet: true
   name: Pangoro2