Add React 18 to the peer dependency list

Resolves #329.

Author: jakezatecky

CHANGELOG.md

@@ -1,5 +1,11 @@
 # CHANGELOG
 
+## [v1.8.0](https://github.com/jakezatecky/react-checkbox-tree/compare/v1.7.3...v1.8.0) (2020-08-06)
+
+### Other
+
+* [#329] Add React 18 to the peer dependency list (**Note**: React 18 is not part of the automatic testing, but should work)
+
 ## [v1.7.3](https://github.com/jakezatecky/react-checkbox-tree/compare/v1.7.2...v1.7.3) (2020-05-23)
 
 ### Bug Fixes

README.md

@@ -26,6 +26,7 @@ npm install react-checkbox-tree --save
 
 > **Note** – This library makes use of [Font Awesome](http://fontawesome.io/) styles and expects them to be loaded in the browser.
 
+> **Note** – Although **React 18** should work, our unit tests run against React 17 due to incompatibility with the unit testing tool (Enzyme).
 
 ### Include CSS
 

package.json

@@ -26,7 +26,7 @@
     "test": "gulp test-script"
   },
   "peerDependencies": {
-    "react": "^15.3.0 || ^16.0.0 || ^17.0.0"
+    "react": "^15.3.0 || ^16.0.0 || ^17.0.0 || ^18.0.0"
   },
   "devDependencies": {
     "@babel/core": "^7.0.0",