feat: add optional peer dependency for @rspack/core (#96)

Author: chenjiahan

README.md

@@ -8,6 +8,11 @@
 
 React refresh plugin for [Rspack](https://github.com/web-infra-dev/rspack).
 
+## Versions
+
+- `2.x`: For Rspack v2.
+- `1.x`: For Rspack v1, see [v1.x - README](https://github.com/rstackjs/rspack-dev-server/tree/v1.x#rspackdev-server) for usage guide.
+
 ## Installation
 
 First you need to install this plugin and its dependencies:

package.json

@@ -44,8 +44,14 @@
     "typescript": "^6.0.2"
   },
   "peerDependencies": {
+    "@rspack/core": "^2.0.0-0",
     "react-refresh": ">=0.10.0 <1.0.0"
   },
+  "peerDependenciesMeta": {
+    "@rspack/core": {
+      "optional": true
+    }
+  },
   "packageManager": "pnpm@10.33.0",
   "publishConfig": {
     "access": "public",