add confirm view

public/views/backupConfirm.html

@@ -0,0 +1,40 @@
+<div
+  class="topbar-container"
+  ng-include="'views/includes/topbar.html'"
+  ng-init="titleSection='Backup'; goBackToState = 'backupWords'">
+</div>
+
+
+<div class="content preferences" ng-controller="wordsController as wordsC">
+  <h4></h4>
+  <div ng-show="wordsC.mnemonicWords || (wordsC.credentialsEncrypted && !wordsC.deleted)">
+
+    <div class="row m10t m10b">
+      <div class="small-centered  text-gray columns size-14 text-center" translate>
+        Congratulations
+      </div>
+    </div>
+
+    <div class="columns text-center m20t">
+      <button 
+        ng-style="{'background-color':index.backgroundColor}" 
+        class="button black round expand" 
+        ng-click="$root.go('walletHome');"
+        translate>Finish
+      </button>
+    </div>
+
+    <div class="row m20t"  ng-show="index.n==1">
+      <div class="columns size-12 text-gray">
+        <div class="p10t"  style="border-top:1px solid #ccc">
+          <span translate>You can safely install your wallet on another device and use it from multiple devices at the same time.</span> 
+          <a href="#" ng-click="$root.openExternalLink('https://github.com/bitpay/copay/blob/master/README.md#copay-backups-and-recovery')" translate>
+            Learn more about Copay backups
+          </a>
+        </div>
+      </div>
+    </div>
+
+  </div>
+</div>
+<div class="extra-margin-bottom"></div>