add .editorconfig

Author: phnx47

.editorconfig

@@ -0,0 +1,15 @@
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+max_line_length = 160
+insert_final_newline = true
+
+[*.cs]
+indent_size = 4
+
+[*.csproj]
+indent_size = 2
+
+[{*.yml,*.yaml}]
+indent_size = 2

Unidecode.NET.sln

@@ -9,6 +9,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 	ProjectSection(SolutionItems) = preProject
 		LICENSE = LICENSE
 		readme.md = readme.md
+		.editorconfig = .editorconfig
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Unidecode.NET", "src\Unidecode.NET.csproj", "{3ED46251-F3F1-43F0-8776-A5055D96BB56}"