add script to automatically generate token bridge configs #1431

Job	Run time
Compute Branch Sha	1s
Build Testnet / Advance Tools	5m 53s
Build Testnet / Documentation	1m 19s
Build Testnet / Redirects	12s
Build Testnet / Rewards Dashboard	48s
Build Testnet / tBTC Bridge v1	2m 30s
Build Testnet / Token Bridge	2m 28s
Build Testnet / Token Bridge v1	2m 32s
Build Testnet / USDC Bridge	2m 21s
Build Testnet / Publish	1m 42s
Deploy Testnet	32s
	20m 18s

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