chore: add peer dependencies

Author: jbl428

README.md

@@ -22,7 +22,7 @@ This library is inspired by the HTTP interface in Spring 6 and provides a simila
 ## Requirements
 
 - Node.js 18 or later (because this library uses `fetch` internally)
-- Nest.js
+- Nest.js 8 or later
 
 ## Installation
 

package.json

@@ -54,6 +54,12 @@
     "typescript": "^5.0.4",
     "vitest": "^0.30.1"
   },
+  "peerDependencies": {
+    "@nestjs/common": "^8.0.0",
+    "@nestjs/core": "^8.0.0",
+    "class-transformer": "*",
+    "reflect-metadata": "*"
+  },
   "lint-staged": {
     "*.ts": "eslint --fix"
   },