Add Global Features documentation for Blazor UI

docs/en/UI/Blazor/Global-Features.md

@@ -0,0 +1,28 @@
+# Blazor UI: Global Features
+`GlobalFeatureManager` allows you to check the features are enabled or disabled in the blazor project.
+
+> This document only explains the JavaScript API. See the [Global Features](../../Global-Features.md) document to understand the ABP Global Features system.
+
+
+## Usage
+
+```html
+@using Volo.Abp.GlobalFeatures
+
+@* ... *@
+
+@* Global Feature can be checked with feature name *@
+@if(GlobalFeatureManager.Instance.IsEnabled("Ecommerce.Subscription"))
+{
+    <span>Ecommerce.Subscription is enabled.</span>
+}
+
+@* OR it can be checked with type *@
+
+@if(GlobalFeatureManager.Instance.IsEnabled<EcommerceSubscriptionGlobalFeature>())
+{
+    <span>Ecommerce.Subscription is enabled.</span>
+}
+```
+
+- You can follow [Check for a Global Feature](../../Global-Features#check-for-a-global-feature) section of Global Features document to check global featues in csharp.

docs/en/docs-nav.json

@@ -906,6 +906,10 @@
               "text": "Global Scripts & Styles",
               "path": "UI/Blazor/Global-Scripts-Styles.md"
             },
+            {
+              "text": "Global Features",
+              "path": "UI/Blazor/Global-Features.md"
+            },
             {
               "text": "Routing",
               "path": "UI/Blazor/Routing.md"