Add projects, .config, and .nuspec to .editorconfig (#45225)

Author: MattKotsenas

template_feed/Microsoft.DotNet.Common.ItemTemplates/content/EditorConfig/Dotnet/.editorconfig

@@ -5,7 +5,15 @@ root = true
 indent_style = space
 
 # Xml files
-[*.{xml,props,targets}]
+[*.xml]
+indent_size = 2
+
+# Xml project files
+[*.{csproj,fsproj,vbproj,proj}]
+indent_size = 2
+
+# Xml config files
+[*.{props,targets,config,nuspec}]
 indent_size = 2
 
 # C# files

test/dotnet-new.Tests/Approvals/AllCommonItemsCreate.-o#EditorConfig-file#-n#item.verified/EditorConfig-file/.editorconfig

@@ -5,7 +5,15 @@
 indent_style = space
 
 # Xml files
-[*.{xml,props,targets}]
+[*.xml]
+indent_size = 2
+
+# Xml project files
+[*.{csproj,fsproj,vbproj,proj}]
+indent_size = 2
+
+# Xml config files
+[*.{props,targets,config,nuspec}]
 indent_size = 2
 
 # C# files