How can you update Shopify theme's code?

### Explanation There are multiple valid ways to update a Shopify theme's code, each suited for different scenarios: Key points: - Theme Editor: Direct editing in Shopify admin, good for quick changes - GitHub integration: Enables version control and team collaboration - Shopify CLI: Local development with `shopify theme dev` for real-time changes or `theme push/pull` for deployment - Each method has its advantages: - Theme editor is best for small changes and visual tweaks - GitHub provides version control and team collaboration - CLI is ideal for local development and custom workflows Reference: [Shopify Theme Development](https://shopify.dev/docs/themes/tools)