Update readme link (#9358)

* update reference link

Author: lyndaidaii

src/NuGetGallery/Strings.Designer.cs

@@ -539,10 +539,10 @@ For more information, please contact '{2}'.</value>
     <value>The Documentation URL must be a raw Markdown file hosted on GitHub.</value>
   </data>
   <data name="UploadPackage_MissingReadmeHtml" xml:space="preserve">
-    <value>&lt;strong&gt;Readme&lt;/strong&gt; missing.&lt;a href="https://learn.microsoft.com/nuget/create-packages/package-authoring-best-practices#readme"&gt; See how to include a readme file within the package&lt;/a&gt;, or add it as you upload.</value>
+    <value>&lt;strong&gt;Readme&lt;/strong&gt; missing.&lt;a href="https://aka.ms/nuget-include-readme"&gt; See how to include a readme file within the package&lt;/a&gt;, or add it as you upload.</value>
   </data>
   <data name="UploadPackage_MissingReadme" xml:space="preserve">
-    <value>Readme missing. Go to https://learn.microsoft.com/nuget/create-packages/package-authoring-best-practices#readme learn How to include a readme file within the package.</value>
+    <value>Readme missing. Go to https://aka.ms/nuget-include-readme learn How to include a readme file within the package.</value>
   </data>
   <data name="ReservedNamespace_OwnerAdded" xml:space="preserve">
     <value>The user '{0}' is now an owner of the prefix '{1}'.</value>

src/NuGetGallery/Strings.resx

@@ -1500,8 +1500,8 @@ public async Task WarnsAboutPackagesWithoutReadmeWhenDisplayUploadWarningV2Enabl
                 Assert.Null(result.Message);
                 var warning = Assert.Single(result.Warnings);
                 Assert.IsType<UploadPackageMissingReadme>(warning);
-                Assert.StartsWith("Readme missing. Go to https://learn.microsoft.com/nuget/create-packages/package-authoring-best-practices#readme learn How to include a readme file within the package.", warning.PlainTextMessage);
-                Assert.StartsWith("<strong>Readme</strong> missing.<a href=\"https://learn.microsoft.com/nuget/create-packages/package-authoring-best-practices#readme\"> See how to include a readme file within the package</a>, or add it as you upload.", warning.RawHtmlMessage);
+                Assert.StartsWith("Readme missing. Go to https://aka.ms/nuget-include-readme learn How to include a readme file within the package.", warning.PlainTextMessage);
+                Assert.StartsWith("<strong>Readme</strong> missing.<a href=\"https://aka.ms/nuget-include-readme\"> See how to include a readme file within the package</a>, or add it as you upload.", warning.RawHtmlMessage);
             }
 
             [Fact]
@@ -1527,8 +1527,8 @@ public async Task WarnsAboutPackagesWithoutWhenEmbeddedReadmeNotEnabledAndDispla
                 Assert.Null(result.Message);
                 var warning = Assert.Single(result.Warnings);
                 Assert.IsType<UploadPackageMissingReadme>(warning);
-                Assert.StartsWith("Readme missing. Go to https://learn.microsoft.com/nuget/create-packages/package-authoring-best-practices#readme learn How to include a readme file within the package.", warning.PlainTextMessage);
-                Assert.StartsWith("<strong>Readme</strong> missing.<a href=\"https://learn.microsoft.com/nuget/create-packages/package-authoring-best-practices#readme\"> See how to include a readme file within the package</a>, or add it as you upload.", warning.RawHtmlMessage);
+                Assert.StartsWith("Readme missing. Go to https://aka.ms/nuget-include-readme learn How to include a readme file within the package.", warning.PlainTextMessage);
+                Assert.StartsWith("<strong>Readme</strong> missing.<a href=\"https://aka.ms/nuget-include-readme\"> See how to include a readme file within the package</a>, or add it as you upload.", warning.RawHtmlMessage);
             }
 
             private async Task<PackageValidationResult> ValidatePackageWithReadme(string readmePath, byte[] readmeFileData)