Include Submenu option + Cosmos link in navbar #1426

Job	Run time
Compute Branch Sha	1s
Build Preview / Advance Tools	5m 59s
Build Preview / Documentation	1m 19s
Build Preview / Redirects	13s
Build Preview / Rewards Dashboard	59s
Build Preview / tBTC Bridge v1	2m 30s
Build Preview / Token Bridge	2m 21s
Build Preview / Token Bridge v1	2m 28s
Build Preview / USDC Bridge	2m 19s
Build Preview / Publish	1m 39s
Deploy Preview	33s
	20m 21s

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