optional .env in wavs-cli (#51)

Co-authored-by: David Komer <6406986+dakom@users.noreply.github.com>

Author: dakom

Makefile

@@ -13,7 +13,7 @@ SERVICE_CONFIG='{"fuel_limit":100000000,"max_gas":5000000,"host_envs":[],"kv":[]
 
 # Define common variables
 CARGO=cargo
-WAVS_CMD ?= $(SUDO) docker run --network host --env-file ./.env -v $(shell pwd):/data ghcr.io/lay3rlabs/wavs:0.3.0-alpha6 wavs-cli
+WAVS_CMD ?= $(SUDO) docker run --network host $$(test -f .env && echo "--env-file ./.env") -v $$(pwd):/data ghcr.io/lay3rlabs/wavs:0.3.0-alpha6 wavs-cli
 ANVIL_PRIVATE_KEY?=0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80
 RPC_URL?=http://localhost:8545
 SERVICE_MANAGER_ADDR?=`jq -r '.eigen_service_managers.local | .[-1]' .docker/deployments.json`