Add markdown readme & screenshot

README.md

@@ -0,0 +1,8 @@
+# UTF8Conv
+
+This program will convert strings between Windows Unicode (UTF-16) and UTF-8 or UTF-7 character encodings and also present the raw binary data (as hex).
+
+Select either UTF-8 or UTF-7 from the drop list, and type or paste your text into the appropriate field to see it instantly converted into the other forms.
+
+![screenshot](Utf8ConvScreenshot.png)
+

UTF8Conv.sln

@@ -1,8 +1,15 @@
 
-Microsoft Visual Studio Solution File, Format Version 11.00
-# Visual Studio 2010
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34407.89
+MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "UTF8Conv", "UTF8Conv.vcxproj", "{8F0567ED-6356-1012-1E29-8AACD50C05BF}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{18F43A80-8F12-49F7-BA68-18A783222079}"
+	ProjectSection(SolutionItems) = preProject
+		README.md = README.md
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
@@ -17,4 +24,7 @@ Global
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {FA4DB232-886A-47F0-A9ED-92CC8159D1A2}
+	EndGlobalSection
 EndGlobal