Added example signer config params

Author: jclapis

config.example.toml

@@ -148,6 +148,13 @@ url = "http://0xa119589bb33ef52acbb8116832bec2b58fca590fe5c85eac5d3230b44d5bc09f
 # Docker image to use for the Signer module.
 # OPTIONAL, DEFAULT: ghcr.io/commit-boost/signer:latest
 # docker_image = "ghcr.io/commit-boost/signer:latest"
+# Host to bind the Signer API server to
+# OPTIONAL, DEFAULT: 127.0.0.1
+host = "127.0.0.1"
+# Port to listen for Signer API calls on
+# OPTIONAL, DEFAULT: 20000
+port = 20000
+
 # For Remote signer:
 # [signer.remote]
 # URL of the Web3Signer instance