fix: add support for Yarn PnP mode by adding CSS preprocessors as opt… (

#2042)

Co-authored-by: Anthony Fu <[email protected]>

package.json

@@ -58,6 +58,22 @@
     "vitepress": "^0.15.6",
     "yorkie": "^2.0.0"
   },
+  "peerDependencies": {
+    "sass": ">=1.0.0",
+    "stylus": ">=0.54.0",
+    "less": ">=4.0.0"
+  },
+  "peerDependenciesMeta": {
+    "sass": {
+      "optional": true
+    },
+    "stylus": {
+      "optional": true
+    },
+    "less": {
+      "optional": true
+    }
+  },
   "gitHooks": {
     "pre-commit": "lint-staged --concurrent false",
     "commit-msg": "node scripts/verifyCommit.js"