Add in optimism staging deployment config

Author: justinkchen

README.md

@@ -28,8 +28,9 @@ Current subgraphs:
 - justinkchen/set-protocol-v2-arbitrum-staging (Arbitrum)
 - justinkchen/set-protocol-v2-avalanche (Avalanche)
 - justinkchen/set-protocol-v2-avax-staging (Avalanche) 
+- justinkchen/set-protocol-v2-optimism-staging (Optimism)
 
-Using Graph Subgraph Studio 
+Using Graph Subgraph Studio (Future steps once Subgraph studio supports more networks):
 1. `graph auth --studio <API KEY>` (see more at https://thegraph.com/studio/subgraph/set-protocol-v2/)
 2. `yarn gen-deployment <NETWORK_NAME>` hardhat or mainnet or matic or staging-mainnet
 3. `cp generated/addresses.ts .` Copy generated addresses file to root location

deployments.json

@@ -48,5 +48,10 @@
     "network": "avalanche",
     "startBlock": 6097319,
     "SetTokenCreator": "0xE99447aBbD5A7730b26D2D16fCcB2086319e4bC3"
+  },
+  "optimism-staging-mainnet": {
+    "network": "optimism",
+    "startBlock": 593299,
+    "SetTokenCreator": "0xCF786472d37f557A80fE6daFF6f2672bfDa728a3"
   }
-}
+}