Add the λ region eu-west-3

I add the lambda region eu-west-3 (Paris region).

Author: julien2x

lib/serverless-dashboard-view.js

@@ -188,6 +188,7 @@ export default class ServerlessDashboardView {
                     <option value="eu-west-1">eu-west-1</option>
                     <option value="eu-central-1">eu-central-1</option>
                     <option value="eu-west-2">eu-west-2</option>
+                    <option value="eu-west-3">eu-west-3</option>
                     <option value="ap-northeast-1">ap-northeast-1</option>
                     <option value="ap-northeast-2">ap-northeast-2</option>
                     <option value="ap-southeast-1">ap-southeast-1</option>