feat(setup): setted up pre commit hooks

[husamettinarabaci]

Added reuse prettier commitlint hook

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🧩 Affected Module(s)

Mark the modules impacted by this PR:

• Source Code
• Documentation
• CI / Infra

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This pull request introduces several improvements focused on licensing compliance, commit quality enforcement, and Flutter project setup. The key changes include adding SPDX license headers across project files, configuring REUSE license annotations, enforcing commit message standards with Commitlint and Husky hooks, and enhancing pre-commit checks for license compliance and Flutter code quality.

Licensing and Compliance

• Added SPDX license headers to all major project files including README.md, hexagenapp/README.md, hexagenapp/analysis_options.yaml, hexagenapp/lib/main.dart, hexagenapp/pubspec.yaml, and hexagenapp/test/widget_test.dart to ensure clear licensing information is present throughout the codebase. [1] [2] [3] [4] [5] [6]
• Updated REUSE.toml to annotate additional files and directories for license tracking, including Husky scripts and platform-specific Flutter directories, further strengthening license compliance.

Commit Quality and Tooling

• Added Husky v10 hooks: .husky/commit-msg now enforces commit message standards using Commitlint and a project-specific config, and .husky/pre-commit runs REUSE license linting and comprehensive Flutter checks (formatting, analysis, tests, and optional builds) before allowing commits. [1] [2]
• Updated package.json to include Commitlint and Husky as dev dependencies, and added a prepare script for Husky setup, ensuring commit hooks are installed and run as expected.

Flutter Project Setup

• Minor cleanup and improvements to Flutter configuration files, such as correcting quotes in pubspec.yaml and ensuring analysis options are up to date. [1] [2]

These changes collectively improve project maintainability, legal compliance, and code quality enforcement.