add bufferutil as optional dependency

lpinca · lpinca · commit d22ad6b6fab0 · 2017-03-03T14:00:55.000+01:00
diff --git a/package.json b/package.json
@@ -51,6 +51,9 @@
     "tape": "^4.0.0",
     "webtorrent-fixtures": "^1.3.0"
   },
+  "optionalDependencies": {
+    "bufferutil": "^3.0.0"
+  },
   "keywords": [
     "bittorrent",
     "p2p",
