fix: correct syntax in runtime-config.js for proper JSON formatting in startup script (#60)

Author: atyrode

scripts/startup.sh

@@ -5,8 +5,8 @@ set -e
 mkdir -p /app/frontend/dist/assets
 cat > /app/frontend/dist/assets/runtime-config.js <<EOL
 window.RUNTIME_CONFIG = {
-  CODER_URL: "${CODER_URL}"
-  VITE_PUBLIC_POSTHOG_KEY: "${VITE_PUBLIC_POSTHOG_KEY}"
+  CODER_URL: "${CODER_URL}",
+  VITE_PUBLIC_POSTHOG_KEY: "${VITE_PUBLIC_POSTHOG_KEY}",
   VITE_PUBLIC_POSTHOG_HOST: "${VITE_PUBLIC_POSTHOG_HOST}"  
 };
 EOL