Add Markdig license

StaticData/License/license.json

@@ -1,4 +1,8 @@
 [
+	{
+		"Name": "agg-sharp",
+		"Url": "https://github.com/MatterHackers/agg-sharp"
+	},
 	{
 		"Name": "Clipper",
 		"Url": "https://sourceforge.net/projects/polyclipping/?source=directory"
@@ -7,12 +11,12 @@
 		"Name": "MatterSlice",
 		"Url": "https://github.com/MatterHackers/MatterSlice"
 	},
+	{
+		"Name": "Markdig",
+		"Url": "https://github.com/lunet-io/markdig"
+	},
 	{
 		"Name": "OpenTK",
 		"Url": "https://github.com/opentk/opentk"
 	},
-	{
-		"Name": "agg-sharp",
-		"Url": "https://github.com/MatterHackers/agg-sharp"
-	},
 ]

StaticData/License/markdig.txt

@@ -0,0 +1,23 @@
+Copyright (c) 2016, Alexandre Mutel
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification
+, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this 
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, 
+   this list of conditions and the following disclaimer in the documentation 
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.