Merge pull request #1040 from Webdiyer/master

Ensure GitHub root url ends with forward slash in docs module

modules/docs/src/Volo.Docs.Domain/Volo/Docs/GitHub/Documents/GithubDocumentStore.cs

@@ -206,7 +206,8 @@ namespace Volo.Docs.GitHub.Documents
         {
             return rootUrl
                 .Replace("github.com", "raw.githubusercontent.com")
-                .ReplaceFirst("/tree/", "/");
+                .ReplaceFirst("/tree/", "/")
+                .EnsureEndsWith('/');
         }
     }
-}
+}