Fixed typos in settings.xamlstyler

I was comparing your settings.xamlstyler with mine to see the difference and noticed a few typos (I've been using this file for about a month and copied the settings from here https://github.com/Xavalon/XamlStyler/wiki/External-Configurations).

Author: HavenDV

settings.xamlstyler

@@ -1,9 +1,9 @@
 {
     "AttributesTolerance": 1,
     "KeepFirstAttributeOnSameLine": true,
-    "MaxAttributeCharatersPerLine": 0,
+    "MaxAttributeCharactersPerLine": 0,
     "MaxAttributesPerLine": 1,
-    "NewlineExemptionElements": "RadialGradientBrush, GradientStop, LinearGradientBrush, ScaleTransfom, SkewTransform, RotateTransform, TranslateTransform, Trigger, Condition, Setter",
+    "NewlineExemptionElements": "RadialGradientBrush, GradientStop, LinearGradientBrush, ScaleTransform, SkewTransform, RotateTransform, TranslateTransform, Trigger, Condition, Setter",
     "SeparateByGroups": false,
     "AttributeIndentation": 0,
     "AttributeIndentationStyle": 1,
@@ -39,4 +39,4 @@
     "FormatOnSave": true,
     "CommentPadding": 2,
     "IndentSize": 4
-}
+}