Add .editorconfig specification

Author: LorenzCK

.editorconfig

@@ -0,0 +1,46 @@
+root = true
+
+[*]
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.resx]
+end_of_line = crlf
+
+[*.{xml,axml}]
+end_of_line = lf
+indent_style = space
+indent_size = tab
+tab_size = 4
+
+[*.config]
+end_of_line = crlf
+
+[*.cs]
+end_of_line = lf
+indent_style = space
+indent_size = tab
+tab_size = 4
+
+dotnet_style_predefined_type_for_locals_parameters_members = true
+dotnet_style_predefined_type_for_member_access = true
+
+csharp_style_inlined_variable_declaration = true
+csharp_style_conditional_delegate_call = true
+csharp_prefer_braces = true
+
+dotnet_sort_system_directives_first = true
+
+csharp_new_line_before_open_brace = false
+csharp_new_line_before_else = true
+csharp_new_line_before_catch = true
+csharp_new_line_before_finally = true
+csharp_new_line_before_members_in_object_initializers = false
+csharp_indent_case_contents = true
+csharp_indent_switch_labels = true
+
+csharp_space_after_cast = false
+csharp_space_after_keywords_in_control_flow_statements = false
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+csharp_space_between_method_call_parameter_list_parentheses = false
+csharp_preserve_single_line_blocks = true