refactor: optimize component lifecycle and build process

- React: Removed unnecessary dependencies from useEffect in Artplayer component.
- Vue: Simplified instance emission in Artplayer component by removing nextTick.
- Build script: Added cpy to copy built i18n files to a new directory and set context to browser for Parcel.

packages/artplayer-template/react.js/src/Artplayer.jsx

@@ -31,7 +31,7 @@ export default function Player({ option, getInstance, ...rest }) {
     }
 
     return () => art.destroy(false)
-  }, [option, getInstance])
+  }, [])
 
   return <div ref={$container} {...rest}></div>
 }