move wizard and user preference routes to nested folders

src/controllers/wizard/finish/index.html

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+<div id="wizardFinishPage" data-role="page" class="page standalonePage wizardPage">
+    <div class="padded-left padded-right padded-top">
+        <div class="ui-corner-all ui-shadow wizardContent">
+            <h1>${LabelYoureDone}</h1>
+            <p style="margin:2em 0;">${WizardCompleted}</p>
+            <div class="wizardNavigation">
+                <button is="emby-button" type="button" class="raised button-cancel" onclick="history.back();">
+                    <span class="material-icons arrow_back"></span>
+                    <span>${LabelPrevious}</span>
+                </button>
+                <button is="emby-button" type="button" class="raised btnWizardNext button-submit">
+                    <span class="material-icons check"></span>
+                    <span>${LabelFinish}</span>
+                </button>
+            </div>
+        </div>
+    </div>
+</div>

src/controllers/wizard/finish/index.js

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+import loading from 'loading';
+
+function onFinish() {
+    loading.show();
+    ApiClient.ajax({
+        url: ApiClient.getUrl('Startup/Complete'),
+        type: 'POST'
+    }).then(function () {
+        loading.hide();
+        window.location.href = 'index.html';
+    });
+}
+
+export default function (view, params) {
+    view.querySelector('.btnWizardNext').addEventListener('click', onFinish);
+}