fix(integration): fix two links (tauri-apps#285)

Author: csjkevin

docs/en/usage/development/integration.md

@@ -11,8 +11,8 @@ import Link from '@docusaurus/Link'
 </Alert>
 
 There are two ways to integrate with Tauri depends on your need:
-- [Start a new Tauri project](1-start-a-new-tauri-project)
-- Or [add Tauri to existing project](1-add-tauri-to-existing-project)
+- [Start a new Tauri project](#1-start-a-new-tauri-project)
+- Or [add Tauri to existing project](#1-add-tauri-to-existing-project)
 
 ### 1. Start a New Tauri Project