Add solution file into repository

.gitignore

@@ -2,3 +2,4 @@
 [Oo]bj/
 .vs/
 *.user
+.vscode

RegexBot.sln

@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26430.6
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RegexBot", "RegexBot\RegexBot.csproj", "{DD16F03C-751C-463F-872F-1749124B7A39}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{DD16F03C-751C-463F-872F-1749124B7A39}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DD16F03C-751C-463F-872F-1749124B7A39}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DD16F03C-751C-463F-872F-1749124B7A39}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DD16F03C-751C-463F-872F-1749124B7A39}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal