add chait and puppeteer to dependencies

Change-Id: Ib9169a625da14ca187d0c7849a1f96ecf5e239df
diff --git a/package.json b/package.json
index 63c30e4..5da5539 100644
--- a/package.json
+++ b/package.json
@@ -13,9 +13,8 @@
   "author": "Marc Kupietz",
   "license": "BSD-2-Clause",
   "dependencies": {
-    "KorAPRC": "file:./lib/korap_rc.ts",
+    "chai": "^4.3.7",
     "mocha": "^10.1.0",
-    "should": "^13.2.3"
-  },
-  "devDependencies": {}
+    "puppeteer": "^19.3.0"
+  }
 }