feat(scripts): add install-scripts.sh for easy script distribution

Add helper script to copy template maintenance scripts to other MCP
server repositories with validation and proper permissions.

Features:
- Validates target is an MCP repository
- Copies all maintenance scripts
- Sets executable permissions
- Simple one-command installation

Author: Mearman

scripts/install-scripts.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+set -e
+
+# Script to install merge scripts into a derived MCP repository
+# Usage: ./install-scripts.sh <target-repository-path>
+
+# Color codes
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 <target-repository-path>"
+    echo "Example: $0 ../../mcp-wayback-machine"
+    exit 1
+fi
+
+TARGET_PATH="$1"
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+
+# Validate target
+if [ ! -d "$TARGET_PATH" ]; then
+    echo -e "${RED}Error: Target directory does not exist: $TARGET_PATH${NC}"
+    exit 1
+fi
+
+if [ ! -f "$TARGET_PATH/package.json" ]; then
+    echo -e "${RED}Error: Target doesn't appear to be an MCP repository (no package.json found)${NC}"
+    exit 1
+fi
+
+# Create scripts directory in target
+echo -e "${YELLOW}Installing scripts to: $TARGET_PATH/scripts${NC}"
+mkdir -p "$TARGET_PATH/scripts"
+
+# Copy scripts
+cp "$SCRIPT_DIR/merge-template-updates.sh" "$TARGET_PATH/scripts/"
+cp "$SCRIPT_DIR/analyze-template-diff.sh" "$TARGET_PATH/scripts/"
+cp "$SCRIPT_DIR/README.md" "$TARGET_PATH/scripts/"
+
+# Make scripts executable
+chmod +x "$TARGET_PATH/scripts/merge-template-updates.sh"
+chmod +x "$TARGET_PATH/scripts/analyze-template-diff.sh"
+
+echo -e "${GREEN}Scripts installed successfully!${NC}"
+echo ""
+echo "Available scripts in $TARGET_PATH:"
+echo "  - scripts/merge-template-updates.sh  (merge template changes)"
+echo "  - scripts/analyze-template-diff.sh   (analyze differences)"
+echo ""
+echo "See scripts/README.md for usage instructions."