fix: enum should contain fields

[tyrchen]

No description provided.

[Copilot]

Pull Request Overview

This PR fixes the enum parsing so that enum variants are correctly included as fields in the parsed structure.

• Updated the attribute extraction logic to skip comment nodes when searching for attributes.
• Added a new code block to extract enum variants from an enum's body and populate them as fields.
• Introduced tests in the fixtures to verify public and private enum parsing.

Reviewed Changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
src/parser/lang/rust.rs	Updated enum parsing by extracting variants and reusing extracted attributes and documentation.
fixtures/sample_enum.rs	Added sample enums and test cases to validate the new enum variant parsing behavior.

Files not reviewed (1)

• .cursor/rules/rust.mdc: Language not supported

Comments suppressed due to low confidence (1)

src/parser/lang/rust.rs:310

• [nitpick] Consider renaming 'fields' to 'variants' for clarity, as this variable stores enum variant information rather than struct fields.

let mut fields = Vec::new();