双向推荐支持

[the-yex]

目前只有 recommend item for user ，有些场景下需要双向推荐， 比如向用户推荐项目，为项目匹配合适的用户

[Issues-translate-bot]

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Currently, there is only recommendation item for user. In some scenarios, two-way recommendation is required, such as recommending projects to users and matching projects with appropriate users