Add a todo to replace foundry usage with web3 js

app/data/config/fixturenet-optimism/optimism-contracts/run.sh

@@ -41,6 +41,7 @@ yarn hardhat send-balance --to "${BATCHER_ADDRESS}" --amount 1000 --private-key
 echo "Balances sent to L2 accounts"
 
 # Select a finalized L1 block as the starting point for roll ups
+# TODO Use web3.js to get the latest finalized block
 until CAST_OUTPUT=$(cast block finalized --rpc-url "$L1_RPC"); do
     echo "Waiting for a finalized L1 block to exist, retrying after 10s"
     sleep 10

app/data/container-build/cerc-optimism-contracts/Dockerfile

@@ -1,3 +1,4 @@
+# TODO: Use a node alpine image
 FROM cerc/foundry:local
 
 # Install node (local foundry is a debian based image)