Updated .editorconfig with more items and vs specific features, added to sln as well

Author: mitchcapper

.editorconfig

@@ -1,5 +1,37 @@
-root = true
-
-[*]
+# To learn more about .editorconfig see https://aka.ms/editorconfigdocs
+############################### 
+# Core EditorConfig Options   # 
+############################### 
+root = true 
+# All files 
+[*] 
+indent_style = space
 end_of_line = crlf
-indent_size = 4
+indent_size = 4
+
+# Code files 
+[*.{cs,csx,vb,vbx}] 
+insert_final_newline = true 
+charset = utf-8
+############################### 
+# .NET Coding Conventions     # 
+############################### 
+[*.{cs,vb}] 
+# Organize usings 
+dotnet_sort_system_directives_first = true 
+############################### 
+# C# Formatting Rules         # 
+############################### 
+# New line preferences 
+csharp_new_line_before_open_brace = all 
+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 = true 
+csharp_new_line_before_members_in_anonymous_types = true 
+csharp_new_line_between_query_expression_clauses = true 
+# Indentation preferences 
+csharp_indent_case_contents = true 
+csharp_indent_switch_labels = true 
+csharp_indent_labels = flush_left 
+csharp_space_around_binary_operators = ignore

libsignal-service-dotnet.sln

@@ -5,7 +5,12 @@ VisualStudioVersion = 15.0.26403.3
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "libsignal-service-dotnet", "libsignal-service-dotnet\libsignal-service-dotnet.csproj", "{088F38F5-EFA5-4264-BAC0-E745F9170222}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "libsignal-service-dotnet-tests", "libsignal-service-dotnet-tests\libsignal-service-dotnet-tests.csproj", "{BD335150-6F1F-42A7-9221-5D3FFF75CD99}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "libsignal-service-dotnet-tests", "libsignal-service-dotnet-tests\libsignal-service-dotnet-tests.csproj", "{BD335150-6F1F-42A7-9221-5D3FFF75CD99}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{A21D802D-2D46-4DA3-95EF-B7C851A7EA65}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+	EndProjectSection
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution