updated developer tools docs

Microsoft.Toolkit.Uwp.SampleApp/SamplePages/samples.json

@@ -610,7 +610,7 @@
         "CodeUrl": "https://github.com/Microsoft/UWPCommunityToolkit/tree/master/Microsoft.Toolkit.Uwp.DeveloperTools/AlignmentGrid",
         "XamlCodeFile": "AlignmentGridXaml.bind",
         "Icon": "/SamplePages/AlignmentGrid/AlignmentGrid.png",
-        "DocumentationUrl": "https://raw.githubusercontent.com/Microsoft/UWPCommunityToolkit/master/docs/developer%20tools/AlignmentGrid.md"
+        "DocumentationUrl": "https://raw.githubusercontent.com/Microsoft/UWPCommunityToolkit/master/docs/developer-tools/AlignmentGrid.md"
       },
       {
         "Name": "FocusTracker",
@@ -619,7 +619,7 @@
         "CodeUrl": "https://github.com/Microsoft/UWPCommunityToolkit/tree/master/Microsoft.Toolkit.Uwp.DeveloperTools/FocusTracker",
         "XamlCodeFile": "FocusTrackerXaml.bind",
         "Icon": "/SamplePages/FocusTracker/FocusTracker.png",
-        "DocumentationUrl": "https://raw.githubusercontent.com/Microsoft/UWPCommunityToolkit/master/docs/developer%20tools/FocusTracker.md"
+        "DocumentationUrl": "https://raw.githubusercontent.com/Microsoft/UWPCommunityToolkit/master/docs/developer-tools/FocusTracker.md"
       },
       {
         "Name": "Analytics",

readme.md

@@ -85,8 +85,8 @@ Once you search you should see a list similar to the one below (versions may be
 * [WrapPanel](http://docs.uwpcommunitytoolkit.com/en/master/controls/WrapPanel/)
 
 ### Developer Tools
-* [AlignmentGrid](http://www.uwpcommunitytoolkit.com/en/master/developer%20tools/AlignmentGrid/)
-* [FocusTracker](http://www.uwpcommunitytoolkit.com/en/master/developer%20tools/FocusTracker/)
+* [AlignmentGrid](http://www.uwpcommunitytoolkit.com/en/master/developer-tools/AlignmentGrid/)
+* [FocusTracker](http://www.uwpcommunitytoolkit.com/en/master/developer-tools/FocusTracker/)
 
 ### Extensions
 * [Hyperlink](http://docs.uwpcommunitytoolkit.com/en/master/extensions/Hyperlink/)