Submit the OpenHarmony adaptation plan code. #474

[Nicklaus1997]

Background
OpenHarmony is an open-source project incubated and operated by the OpenAtom Foundation, aiming to build a framework and platform for intelligent terminal device operating systems in the era of all-scenario, all-connection, and all-intelligence.

We'll submit the adaptation code through a Pull Request (PR) promptly. We've opened this Issue to engage in in - depth discussions with the community about integrating the adaptation code. Your suggestions are most welcome.

Adaptation Proposal
We have completed the OpenHarmony adaptation for flexsearch, including:

Demos for OpenHarmony
These adaptations enhance flexsearch's unique value in the OpenHarmony ecosystem while maintaining all original functionality.

Testing Results
We have conducted extensive compatibility testing across:

Different versions of OpenHarmony
Various OpenHarmony device types
The results show excellent compatibility without significant stability issues. Test reports can be provided as needed.

Benefits to Upstream Community
Access to OpenHarmony's vast user base and developer community
Future-proofing the project by supporting cutting-edge OS trends
Enhanced capability to handle diverse operating environments
Labels
enhancement, compatibility, cross-platform

[ts-thomas]

Hello, you can help me to make official support for OpenHarmony. But this should be done step by step. One big pull request isn't very helpful. I see a lot of old code coming from previous generation < 0.8.x