Test and Add NodeJumper RPC endpoint

[sufyaankhan]

Is your feature request related to a problem? Please describe.
Yes, recently we found that a community RPC KJnodes node and Polkachu was down. Developers and users are in need of a more reliable, faster, and secure method to interact with the Agoric blockchain.

Describe the solution you'd like
We propose the integration of Node Jumper's dedicated RPC endpoint to the Agoric platform.

RPC
https://agoric.nodejumper.io/
API
https://agoric.nodejumper.io:1317
gRPC
https://agoric.nodejumper.io:9090

This solution encompasses:

Endpoint Integration: We update the Agoric platform to route traffic to Node Jumpers services.
Load Balancing: Utilizing load balancers to effectively distribute traffic between Node Jumper's endpoint and the current infrastructure.
Monitoring Systems: We need a comprehensive monitoring and logging to observe the health and performance of the endpoint.

[ivanlei]

This is complete. See https://main.agoric.net/network-config

[sufyaankhan]

Please test that CORS issue does not occur again before / after enabling NodeJumper as RPC endpoint