Anthony PHAM

Fixing Geth stakewise helm chart and our module Terraform beacon node

1

Based on Geth documentation: --goerli, --holesky, --mainnet, and --sepolia are predefined networks, while --networkid is used for custom or other networks

Changes: - Add alloy/config.alloy.example configuration - Move promtail/run.sh to alloy/run.sh - Update logging.yml to use Alloy - Remove promtail/config.yml.example