guqing 510f155e05 feat: count the number of posts under categories and tags (#2402) ... #### What type of PR is this? /kind feature /milestone 2.0 /area core #### What this PR does / why we need it: 统计分类和标签下的文章 #### Which issue(s) this PR fixes: Fixes #2401 #### Special notes for your reviewer: how to test it? 1. 创建一个多层级的分类及若干文章，查看分类的 status.posts 是否包含当前及其子分类下的文章 2. 创建标签，并将其分配给若干文章，查看标签的 status.posts 是否正确 3. 在主题端查看分类和标签包含的文章数量是否正确，需要注意的是主题端显示的文章数量只包含已发布且 visiable 为 public 且未删除的 /cc @halo-dev/sig-halo #### Does this PR introduce a user-facing change? ```release-note None ```		2022-09-19 02:22:12 +00:00
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main	feat: count the number of posts under categories and tags (#2402)	2022-09-19 02:22:12 +00:00
test	feat: count the number of posts under categories and tags (#2402)	2022-09-19 02:22:12 +00:00