Update README.md with project details, features, requirements, architecture, and data management for PLib video library manager.

.editorconfig

@@ -0,0 +1,52 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = crlf
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{xml,axaml,xaml,csproj,props,targets,json,yml,yaml}]
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.cs]
+# Namespaces
+csharp_style_namespace_declarations = file_scoped:warning
+
+# var
+csharp_style_var_when_type_is_apparent = true:suggestion
+csharp_style_var_elsewhere = true:suggestion
+
+# Modern language features
+csharp_style_expression_bodied_methods = when_on_single_line:suggestion
+csharp_style_expression_bodied_properties = true:suggestion
+csharp_style_prefer_primary_constructors = true:suggestion
+csharp_style_prefer_pattern_matching = true:suggestion
+csharp_style_prefer_switch_expression = true:suggestion
+csharp_prefer_braces = true:warning
+csharp_prefer_simple_using_statement = true:suggestion
+dotnet_style_collection_initializer = true:suggestion
+dotnet_style_prefer_collection_expression = true:suggestion
+dotnet_style_readonly_field = true:warning
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:warning
+
+# Usings
+dotnet_sort_system_directives_first = true
+csharp_using_directive_placement = outside_namespace:warning
+
+# Naming: private fields are _camelCase
+dotnet_naming_rule.private_fields_underscore.symbols = private_fields
+dotnet_naming_rule.private_fields_underscore.style = underscore_prefix
+dotnet_naming_rule.private_fields_underscore.severity = warning
+
+dotnet_naming_symbols.private_fields.applicable_kinds = field
+dotnet_naming_symbols.private_fields.applicable_accessibilities = private
+dotnet_naming_symbols.private_fields.required_modifiers =
+
+dotnet_naming_style.underscore_prefix.capitalization = camel_case
+dotnet_naming_style.underscore_prefix.required_prefix = _