Add VerifyXml (#685)

Author: SimonCropp

docs/named-tuples.md

@@ -19,7 +19,7 @@ Given a method that returns a named tuple:
 static (bool Member1, string Member2, string Member3) MethodWithNamedTuple() =>
     (true, "A", "B");
 ```
-<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1370-L1375' title='Snippet source file'>snippet source</a> | <a href='#snippet-methodwithnamedtuple' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1372-L1377' title='Snippet source file'>snippet source</a> | <a href='#snippet-methodwithnamedtuple' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Can be verified:
@@ -29,7 +29,7 @@ Can be verified:
 ```cs
 await VerifyTuple(() => MethodWithNamedTuple());
 ```
-<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1363-L1367' title='Snippet source file'>snippet source</a> | <a href='#snippet-verifytuple' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1365-L1369' title='Snippet source file'>snippet source</a> | <a href='#snippet-verifytuple' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Resulting in:

docs/scrubbers.md

@@ -59,7 +59,7 @@ For example remove lines containing `text`:
 ```cs
 verifySettings.ScrubLines(line => line.Contains("text"));
 ```
-<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1213-L1217' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrublines' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1215-L1219' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrublines' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 
@@ -74,7 +74,7 @@ For example remove lines containing `text1` or `text2`
 ```cs
 verifySettings.ScrubLinesContaining("text1", "text2");
 ```
-<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1219-L1223' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrublinescontaining' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1221-L1225' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrublinescontaining' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Case insensitive by default (StringComparison.OrdinalIgnoreCase).
@@ -86,7 +86,7 @@ Case insensitive by default (StringComparison.OrdinalIgnoreCase).
 ```cs
 verifySettings.ScrubLinesContaining(StringComparison.Ordinal, "text1", "text2");
 ```
-<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1225-L1229' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrublinescontainingordinal' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1227-L1231' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrublinescontainingordinal' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 
@@ -101,7 +101,7 @@ For example converts lines to upper case:
 ```cs
 verifySettings.ScrubLinesWithReplace(line => line.ToUpper());
 ```
-<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1231-L1235' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrublineswithreplace' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1233-L1237' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrublineswithreplace' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 
@@ -114,7 +114,7 @@ Replaces `Environment.MachineName` with `TheMachineName`.
 ```cs
 verifySettings.ScrubMachineName();
 ```
-<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1237-L1241' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrubmachinename' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1239-L1243' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrubmachinename' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 
@@ -127,7 +127,7 @@ Replaces `Environment.UserName` with `TheUserName`.
 ```cs
 verifySettings.ScrubUserName();
 ```
-<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1243-L1247' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrubusername' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/Serialization/SerializationTests.cs#L1245-L1249' title='Snippet source file'>snippet source</a> | <a href='#snippet-scrubusername' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->