docs: v18 안내 추가

Author: pyjun01

README.md

@@ -34,6 +34,8 @@ function App() {
 npm install react-google-map-wrapper # or yarn add react-google-map-wrapper or pnpm add react-google-map-wrapper
 ```
 
+> **If you're using React v18, please install version `1.0.7`.**
+
 ## Documentation
 
 You can find the documentation [on the website.](https://pyjun01.github.io/react-google-map-wrapper)

docs/src/content/docs/docs/installation.mdx

@@ -25,6 +25,9 @@ pnpm install react-google-map-wrapper
   </TabItem>
 </Tabs>
 
+> **If you're using React v18, please install version `1.0.7`.**
+
+
 > If you want to see a example before download? Try out the [basic example](/react-google-map-wrapper/docs/examples/basic).
 
 ### TypeScript