Add environment setup instructions to README.md

load_env.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+# Load environment variables from .env file
+
+if [ -f .env ]; then
+    export $(grep -v '^#' .env | xargs)
+    echo "Environment variables loaded from .env"
+    echo "GITHUB_TOKEN is set: ${GITHUB_TOKEN:0:10}..."
+else
+    echo "Error: .env file not found"
+    exit 1
+fi
+