add cli with rhai scripting engine

build.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Build script for the Crypto CLI
+
+# Set colors for output
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+echo -e "${YELLOW}Building Crypto CLI...${NC}"
+
+# Build the CLI
+cargo build --release
+
+if [ $? -eq 0 ]; then
+    echo -e "${GREEN}Build successful!${NC}"
+    echo -e "Binary available at: ${YELLOW}target/release/crypto-cli${NC}"
+    
+    # Create a symlink for easier access
+    echo -e "${YELLOW}Creating symlink...${NC}"
+    ln -sf "$(pwd)/target/release/crypto-cli" ./crypto-cli
+    
+    echo -e "${GREEN}Done!${NC}"
+    echo -e "You can now run the CLI with: ${YELLOW}./crypto-cli${NC}"
+    echo -e "Or try the example script: ${YELLOW}./crypto-cli script examples/scripts/crypto_demo.rhai${NC}"
+else
+    echo -e "${RED}Build failed!${NC}"
+    exit 1
+fi