List both deps & peers (optional with default) (#381)

* List both deps & peers (optional with default)

* Apply suggestions from code review

packages/ui-settings/package.json

@@ -10,14 +10,16 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
+    "@polkadot/networks": "^3.6.0-beta.14",
+    "@polkadot/util": "^3.6.0-beta.14",
     "eventemitter3": "^4.0.7",
     "store": "^2.0.12"
   },
   "devDependencies": {
-    "@polkadot/util": "^3.5.1",
     "@types/store": "^2.0.2"
   },
   "peerDependencies": {
+    "@polkadot/networks": "*",
     "@polkadot/util": "*"
   }
 }