add desktop app openhare

[sjjian]

openhare is an AI-powered desktop SQL client. Cross-platform. Built with Flutter.
Github repo: https://github.com/sjjian/openhare

1. AI-Powered Assistance: Now with enhanced AI features to help you write, optimize, and understand SQL queries.
2. Cross-Platform: Seamlessly runs on Windows, macOS, and Linux.
3. Fully Open Source: Licensed under the [Apache License 2.0]
4. Multi-Database Support: Effortlessly connect to and manage various SQL databases.

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Checklist

• I read How to contribute
• I edited the SOURCE.md file only
• Added a link to the repo in the PR

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