feat: add react 18 support (#146)

Author: Almaju

package.json

@@ -46,17 +46,17 @@
     "jest": "^30.0.5",
     "jest-environment-jsdom": "^30.0.2",
     "jest-fetch-mock": "^3.0.3",
-    "react": ">=19.0.0",
-    "react-dom": ">=19.0.0",
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0",
     "ts-jest": "^29.4.0",
     "tslib": "^2.8.1",
     "tsup": "^8.5.0",
     "typescript": "^5.8.3",
     "typescript-eslint": "^8.42.0"
   },
   "peerDependencies": {
-    "react": ">=19.0.0",
-    "react-dom": ">=19.0.0"
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0"
   },
   "scripts": {
     "build": "tsup --env.NODE_ENV=development",