chore: release 0.2.5

[tiye]

Release 0.2.5 for formatter updates.

Changes:

• refine writer indentation so second-element nested forms keep the double-indent layout
• avoid extra bending for later match clauses
• add parser and writer fixtures for match and let formatting

Validation:

• cargo test
• cargo test --features serde-json

[Copilot]

Pull request overview

Release bump to 0.2.5 focused on Cirru formatter (writer) layout tweaks, with new fixtures/tests covering let and match formatting cases.

Changes:

• Adjust writer tree generation to preserve intended indentation for nested second elements and to avoid unnecessary bending for later match clauses.
• Add let/match parser + writer fixtures and wire them into existing JSON fixture-based tests.
• Bump crate version to 0.2.5 (and update Cargo.lock accordingly).

Reviewed changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/writer.rs	Refines nested-head “insist” behavior and changes when simple expressions are rendered inline vs multiline.
tests/writer_test.rs	Adds direct regression tests for let indentation and match clause bending + registers new writer fixtures.
tests/writer_data/match.json	New writer JSON fixture for match.
tests/writer_data/let.json	New writer JSON fixture for let.
tests/writer_cirru/match.cirru	Expected writer output for match.
tests/writer_cirru/let.cirru	Expected writer output for let.
tests/parser_test.rs	Registers new match parser fixtures.
tests/data/match.json	New parser JSON fixture for match.
tests/cirru/match.cirru	New parser Cirru fixture for match.
Cargo.toml	Version bump to 0.2.5.
Cargo.lock	Lockfile update for 0.2.5.

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