Add .editorconfig

Author: adriansuter

.editorconfig

@@ -0,0 +1,15 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.{yml,yaml}]
+indent_size = 2

.gitattributes

@@ -6,6 +6,7 @@
 /docs               export-ignore
 /tests              export-ignore
 /.coveralls.yml     export-ignore
+/.editorconfig      export-ignore
 /.gitattributes     export-ignore
 /.gitignore         export-ignore
 /.travis.yml        export-ignore