feat: update .editorconfig with new style rule

Author: IShix-g

.editorconfig

@@ -89,6 +89,7 @@ csharp_style_var_when_type_is_apparent = true:suggestion
 # Always use braces for control structures
 csharp_prefer_braces = true:warning
 
+dotnet_style_allow_multiple_blank_lines_experimental = true
 # Prefer omitting 'private' access modifier for fields and methods
 dotnet_style_require_accessibility_modifiers = never:warning
 # Avoid requiring explicit qualifiers (e.g., `this.`) when accessing events.