[FEATURE] Support Namada

[jeongseup]

Feature Description

Support gnoland chain to monitor validator set and visualization for network status

Reason for Need

Explain why this feature is necessary and what problem it could solve.

Proposed Solution

Describe the solution you have in mind in detail.

Alternatives

If there are alternative ways to address this issue, please describe them.

Additional Information

If you have any additional information or examples to help understand the feature better, please provide them.

[jeongseup]

validator names(moniker) need to be checked with this indexer (https://github.com/gnoverse/tm2-indexer)