Add deployment details for fixturenet-eth (#30)

Part of [Create bridge channel in go-nitro](https://www.notion.so/Create-bridge-channel-in-go-nitro-22ce80a0d8ae4edb80020a8f250ea270)

Co-authored-by: Shreerang Kale <shreerangkale@gmail.com>
Reviewed-on: cerc-io/testnet-laconicd-stack#30

README.md

@@ -11,6 +11,7 @@ Stacks to run a node for laconic testnet
 - [Update deployments after code changes](./ops/update-deployments.md)
 - [Halt stage0 and start stage1](./ops/stage0-to-stage1.md)
 - [Create deployments from scratch (for reference only)](./ops/deployments-from-scratch.md)
+- [Deploy and transfer new tokens for nitro operations](./ops/nitro-token-ops.md)
 
 ## Join LORO testnet