Add editor settings for format convention

.editorsettings

@@ -0,0 +1,17 @@
+[*]
+end_of_line = crlf
+
+[*.xml]
+indent_style = space
+
+[*.cs]
+indent_style = space
+indent_size = 4
+
+csharp_new_line_before_catch = false
+csharp_new_line_before_else = false
+csharp_new_line_before_finally = false
+csharp_new_line_before_members_in_anonymous_types = false
+csharp_new_line_before_members_in_object_initializers = false
+csharp_new_line_before_open_brace = types
+csharp_new_line_between_query_expression_clauses = false