Removes peer dependencies and updates docs

Author: ctrlplusb

README.md

@@ -77,7 +77,15 @@ Check out a working demo here: https://4mkpc.csb.app/
 
 ## Installation
 
-```javascript
+Firstly, ensure you have the required peer dependencies:
+
+```bash
+npm install react react-dom
+```
+
+> **Note:** We require >=react@0.14.0 and >=react-dom@0.14.0
+
+```bash
 npm install react-sizeme
 ```
 

package.json

@@ -35,10 +35,6 @@
     "shallowequal": "^1.1.0",
     "throttle-debounce": "^3.0.1"
   },
-  "peerDependencies": {
-    "react": "^0.14.0 || ^15.0.0-0 || ^16.0.0 || ^17.0.0 || ^18.0.0",
-    "react-dom": "^0.14.0 || ^15.0.0-0 || ^16.0.0 || ^17.0.0 || ^18.0.0"
-  },
   "devDependencies": {
     "@babel/cli": "^7.14.8",
     "@babel/core": "^7.15.0",