[docs] add zh docs (#3507)

* [docs] add zh docs

* [docs] add lang dropdown

* [docs] update mkdocs zh config

* [docs] migrate assets

* [docs] update overrides dir in mkdocs zh config

* [docs] exclude locales director in main mkdocs config

* [docs] rename assets to public to avoid conflicting with template

* [docs] extra_css change followup

* [docs] add theme.palette.toggle.icon back into mkdocs zh config

* [docs] fix zh readme reference + migrate language-specific repo markdown to docs

* [docs] translate remaining repo docs + update reference

* [docs] update zh index.md reference

* [docs/zh] wording alignment

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/federation/posts.md b/docs/federation/posts.md
index c599587a7..b03bfe40a 100644
--- a/docs/federation/posts.md
+++ b/docs/federation/posts.md
@@ -914,7 +914,7 @@ Now, `remote_1` boosts/reblogs a post from a third account, `remote_2`, residing
 
 `local_account` does not follow `remote_2`, and neither does anybody else on `our.server`, which means that `our.server` has not seen this post by `remote_2` before.
 
-![A diagram of the conversation thread, showing the post from remote_2, and possible ancestor and descendant posts](../assets/diagrams/conversation_thread.png)
+![A diagram of the conversation thread, showing the post from remote_2, and possible ancestor and descendant posts](../public/diagrams/conversation_thread.png)
 
 What GoToSocial will do now, is 'dereference' the post by `remote_2` to check if it is part of a thread and, if so, whether any other parts of the thread can be obtained.