✨ NEW: react 18 support (#13)

* ✨ NEW: react 18 support

* 📚 DOC: installation guide for react 17

Author: pettiboy

.gitignore

@@ -13,4 +13,6 @@ node_modules
 
 .env
 
-*.tgz
+*.tgz
+
+demo-app-2

README.md

@@ -19,6 +19,8 @@ Make sure you ⭐️ this [`repository`](https://github.com/pettiboy/react-ui-sc
 
 ## ✨ Installation
 
+### React 18
+
 ```bash
 npm install --save react-ui-scrollspy
 ```
@@ -29,6 +31,18 @@ OR
 yarn add react-ui-scrollspy
 ```
 
+### React 17 and below
+
+```bash
+npm install --save react-ui-scrollspy@2.2.0
+```
+
+OR
+
+```bash
+yarn add react-ui-scrollspy@2.2.0
+```
+
 ## 🎞 Demo
 
 ### Try it your self [here](https://pettiboy.github.io/react-ui-scrollspy)!

dev.md

@@ -14,10 +14,10 @@ creates a `.tgz`
 ```bash
 npm run build
 npm pack
-mv react-ui-scrollspy-2.2.0.tgz ./demo-app
+mv react-ui-scrollspy-2.3.0.tgz ./demo-app
 cd demo-app
 npm uninstall react-ui-scrollspy
-npm install react-ui-scrollspy-2.2.0.tgz --production
+npm install react-ui-scrollspy-2.3.0.tgz --production
 cd ..
 ```