Add the ovdet algorithm to the mmdet projects. 给 mmdet projects 支持 ovdet 开放词汇算法

[OpenMMLab-Assistant-004]

Add the ovdet algorithm to the mmdet projects.

给 mmdet projects 支持 ovdet 开放词汇算法

Support training and inference of the ovdet algorithm in the projects of mmdet, with reference to the open source code ovdet

参考基于 mmdet 的官方开源代码 ovdet，在 mmdet projects 中支持改算法训练和推理

Task Information

Repository：MMDetection

Difficulty：Hard

Points：80

Estimated Time Consumption：35 days

Task Status

Claimant's Github ID：None

Claim Time：2023年09月11日

PR Link：None

Points to Note

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After completing the task, please submit a PR with the title starting with [MMSIG]. After submission, please reply with your PR link in the comments section of this Discussion. We will review your work as soon as possible.

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[Shengshenlan]

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[Shengshenlan]

open-mmlab/mmdetection#11217