feat: add print-addresses script (#8921)

Adds a script print-addresses that will print the addresses of the
various contracts in a deployment. Useful for people running their own
OP Stack chains and other things. Includes an --sdk flag that will only
print the addresses relevant to the SDK.

packages/contracts-bedrock/scripts/print-addresses.sh

+#!/bin/bash
+
+# Get the directory of the script itself
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+
+# Check if the first argument is provided
+if [ -z "$1" ]; then
+    echo "Usage: $0 <directory-name>"
+    exit 1
+fi
+
+# Check if jq is installed
+if ! command -v jq &> /dev/null; then
+    echo "jq is not installed. Please install it to run this script."
+    exit 1
+fi
+
+# Directory name from the argument
+DIR_NAME=$1
+
+# Check for the --sdk flag
+SDK_MODE=false
+if [[ "$2" == "--sdk" ]]; then
+    SDK_MODE=true
+fi
+
+# Full directory path, relative from the script's location
+DIR="$SCRIPT_DIR/../deployments/$DIR_NAME"
+
+# Check if the directory exists
+if [ ! -d "$DIR" ]; then
+    echo "Directory does not exist: $DIR"
+    exit 1
+fi
+
+# Declare an array of filenames to check when in SDK mode
+declare -a SDK_FILES=("AddressManager" "L1CrossDomainMessengerProxy" "L1StandardBridgeProxy" "OptimismPortalProxy" "L2OutputOracleProxy")
+
+# Loop through each .json file in the directory
+for file in "$DIR"/*.json; do
+    # Extract the filename without the directory and the .json extension
+    filename=$(basename "$file" .json)
+
+    # If SDK mode is on and the filename is not in the list, skip it
+    if $SDK_MODE && [[ ! " ${SDK_FILES[@]} " =~ " ${filename} " ]]; then
+        continue
+    fi
+
+    # Extract the 'address' field from the JSON file
+    address=$(jq -r '.address' "$file")
+
+    # Print the filename and the address
+    echo "${filename}: ${address}"
+done