fix: move peer deps to optional deps

Author: vaporoxx

package.json

@@ -32,7 +32,7 @@
     "node-fetch": "^2.6.1",
     "ws": "^7.3.1"
   },
-  "peerDependencies": {
+  "optionalDependencies": {
     "register-scheme": "github:devsnek/node-register-scheme"
   },
   "devDependencies": {