docs: udpate spell error in README.md of semi-ui (#93)

Co-authored-by: pointhalo <[email protected]>

packages/semi-ui/README.md

@@ -2,10 +2,10 @@
 ## Install
 ```sh
 # with npm
-npm install semi-ui
+npm install @douyinfe/semi-ui
 
 # with yarn
-yarn add semi-ui
+yarn add @douyinfe/semi-ui
 
 ```