Add ability to run Optimism fixturenet with external L1 endpoint (#273)

* Remove unnecessary todos

* Set option to log commands in shell scripts

* Replace fixturenet-eth dependency with wait on endpoint

* Skip lighthouse node dependency check

* Update all services in the stack

* Use debug flag to enable shell commands logging

* Add bash in op-batcher container

* Update mobymask-v2 instructions

* Update fixturenet-optimism instructions

* Add descriptions for services

* Move ts files to container-build

* Take L1 RPC endpoint from the env file

* Add dev mode restriction for editing env file

Former-commit-id: 2515878eeb

app/data/config/fixturenet-optimism/run-op-node.sh

@@ -1,5 +1,8 @@
 #!/bin/sh
 set -e
+if [ -n "$CERC_SCRIPT_DEBUG" ]; then
+  set -x
+fi
 
 # Get SEQUENCER KEY from keys.json
 SEQUENCER_KEY=$(jq -r '.Sequencer.privateKey' /l2-accounts/keys.json | tr -d '"')