update docs

Author: junzyx

apps/docs/getting-started.mdx

@@ -79,19 +79,19 @@ If you prefer to set up htmldocs manually, follow these steps:
 <CodeGroup>
 
 ```bash npm
-npm install @htmldocs/react @htmldocs/render
+npm install htmldocs @htmldocs/react @htmldocs/render
 ```
 
 ```bash pnpm
-pnpm add @htmldocs/react @htmldocs/render
+pnpm add htmldocs @htmldocs/react @htmldocs/render
 ```
 
 ```bash yarn
-yarn add @htmldocs/react @htmldocs/render
+yarn add htmldocs @htmldocs/react @htmldocs/render
 ```
 
 ```bash bun
-bun add @htmldocs/react @htmldocs/render
+bun add htmldocs @htmldocs/react @htmldocs/render
 ```
 
 </CodeGroup>