Add .editorconfig.

Author: webbju

.editorconfig

@@ -0,0 +1,13 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+tab_width = 4
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset=utf-8
+
+[*.{cs,vb}]
+dotnet_sort_system_directives_first = true
+dotnet_separate_import_directive_groups = false

ServerCodeExciser.sln

@@ -3,6 +3,11 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.2.32526.322
 MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{FA80E53A-9EEF-4F05-BEE3-EC8393F1975B}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+	EndProjectSection
+EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ServerCodeExciser", "ServerCodeExciser\ServerCodeExciser.csproj", "{6E4116C9-9BEB-4FBA-B035-D91555E2C981}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ServerCodeExciserTest", "ServerCodeExciserTest\ServerCodeExciserTest.csproj", "{6E4116C9-9BEB-4FBA-B035-D91555E2C982}"