feat: implement EF Core entities and migrations (Issue #10)

Author: hemanandr

.claude/settings.local.json

@@ -0,0 +1,10 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(dotnet format:*)",
+      "Bash(dotnet build)"
+    ],
+    "deny": [],
+    "ask": []
+  }
+}

.editorconfig

@@ -0,0 +1,92 @@
+# EditorConfig is awesome: https://EditorConfig.org
+# Top-most EditorConfig file
+root = true
+
+# All files
+[*]
+indent_style = space
+end_of_line = crlf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+
+# C# files
+[*.cs]
+indent_size = 4
+
+# C# naming conventions
+dotnet_naming_rule.interface_should_be_prefixed_with_i.severity = warning
+dotnet_naming_rule.interface_should_be_prefixed_with_i.symbols = interface
+dotnet_naming_rule.interface_should_be_prefixed_with_i.style = prefixed_with_i
+
+dotnet_naming_rule.types_should_be_pascal_case.severity = warning
+dotnet_naming_rule.types_should_be_pascal_case.symbols = types
+dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case
+
+dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = warning
+dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
+dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case
+
+# Symbol specifications
+dotnet_naming_symbols.interface.applicable_kinds = interface
+dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+
+dotnet_naming_symbols.types.applicable_kinds = class, struct, interface, enum
+dotnet_naming_symbols.types.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+
+dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
+dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+
+# Naming styles
+dotnet_naming_style.pascal_case.required_prefix = 
+dotnet_naming_style.pascal_case.required_suffix = 
+dotnet_naming_style.pascal_case.word_separator = 
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+
+dotnet_naming_style.prefixed_with_i.required_prefix = I
+dotnet_naming_style.prefixed_with_i.required_suffix = 
+dotnet_naming_style.prefixed_with_i.word_separator = 
+dotnet_naming_style.prefixed_with_i.capitalization = pascal_case
+
+# Code style rules
+csharp_prefer_braces = true:warning
+csharp_prefer_simple_using_statement = true:suggestion
+csharp_style_namespace_declarations = file_scoped:warning
+csharp_style_prefer_method_group_conversion = true:suggestion
+csharp_style_prefer_top_level_statements = true:suggestion
+csharp_style_expression_bodied_methods = false:suggestion
+csharp_style_expression_bodied_constructors = false:suggestion
+csharp_style_expression_bodied_operators = false:suggestion
+csharp_style_expression_bodied_properties = true:suggestion
+csharp_style_expression_bodied_indexers = true:suggestion
+csharp_style_expression_bodied_accessors = true:suggestion
+
+# var preferences
+csharp_style_var_for_built_in_types = false:suggestion
+csharp_style_var_when_type_is_apparent = true:suggestion
+csharp_style_var_elsewhere = false:suggestion
+
+# TypeScript, JavaScript, JSX, TSX files
+[*.{ts,tsx,js,jsx}]
+indent_size = 2
+quote_type = single
+
+# JSON files
+[*.json]
+indent_size = 2
+
+# YAML files
+[*.{yml,yaml}]
+indent_size = 2
+
+# Markdown files
+[*.md]
+trim_trailing_whitespace = false
+
+# XML project files
+[*.{csproj,vbproj,vcxproj,vcxproj.filters,proj,projitems,shproj}]
+indent_size = 2
+
+# Config files
+[*.{props,targets}]
+indent_size = 2