add editor config

Author: giometrix

src/.editorconfig

@@ -0,0 +1,63 @@
+# Rules in this file were initially inferred by Visual Studio IntelliCode from the D:\Code\TableStorage.Abstractions.TableEntityConverters\src codebase based on best match to current usage at 3/23/2020
+# You can modify the rules from these initially generated values to suit your own policies
+# You can learn more about editorconfig here: https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-code-style-settings-reference
+[*.cs]
+
+#Core editorconfig formatting - indentation
+
+#use hard tabs for indentation
+indent_style = tab
+
+#Formatting - new line options
+
+#require braces to be on a new line for object_collection_array_initializers, control_blocks, methods, and types (also known as "Allman" style)
+csharp_new_line_before_open_brace = object_collection_array_initializers, control_blocks, methods, types
+
+#Formatting - organize using options
+
+#sort System.* using directives alphabetically, and place them before other usings
+dotnet_sort_system_directives_first = true
+
+#Formatting - spacing options
+
+#require NO space between a cast and the value
+csharp_space_after_cast = false
+#require a space after a keyword in a control flow statement such as a for loop
+csharp_space_after_keywords_in_control_flow_statements = true
+#remove space within empty argument list parentheses
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+#remove space between method call name and opening parenthesis
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+#do not place space characters after the opening parenthesis and before the closing parenthesis of a method call
+csharp_space_between_method_call_parameter_list_parentheses = false
+#remove space within empty parameter list parentheses for a method declaration
+csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
+#place a space character after the opening parenthesis and before the closing parenthesis of a method declaration parameter list.
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+
+#Formatting - wrapping options
+
+#leave code block on single line
+csharp_preserve_single_line_blocks = true
+
+#Style - expression bodied member options
+
+#prefer block bodies for methods
+csharp_style_expression_bodied_methods = false:suggestion
+
+#Style - expression level options
+
+#prefer the language keyword for member access expressions, instead of the type name, for types that have a keyword to represent them
+dotnet_style_predefined_type_for_member_access = true:suggestion
+
+#Style - implicit and explicit types
+
+#prefer var is used to declare variables with built-in system types such as int
+csharp_style_var_for_built_in_types = true:suggestion
+#prefer var when the type is already mentioned on the right-hand side of a declaration expression
+csharp_style_var_when_type_is_apparent = true:suggestion
+
+#Style - language keyword and framework type options
+
+#prefer the language keyword for local variables, method parameters, and class members, instead of the type name, for types that have a keyword to represent them
+dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion