Avoid reporting a warning for the SHFB MAML 'quote' element

Author: sharwell

DocumentationAnalyzers/DocumentationAnalyzers.Test/StyleRules/DOC100UnitTests.cs

@@ -82,6 +82,7 @@ public async Task TestMultipleBlockElementsAsync()
 /// <inheritdoc/>
 /// <token>SomeTokenName</token>
 /// <include />
+/// <quote>Quote</quote>
 /// <!-- Supported HTML block-level elements -->
 /// <div>Remarks.</div>
 /// <p>Remarks.</p>

DocumentationAnalyzers/DocumentationAnalyzers/StyleRules/BlockLevelDocumentationAnalyzerBase.cs

@@ -173,6 +173,7 @@ private static bool IsBlockLevelName(XmlNameSyntax name, bool includePotentialEl
             // potential block-level elements => allow
             case XmlCommentHelper.InheritdocXmlTag:
             case "include":
+            case "quote":
             case "token":
                 return true;