Add version v28 (#564)

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Reviewed-on: https://gitea.com/gitea/docs/pulls/564
Reviewed-by: bircni <[email protected]>
Co-authored-by: Lunny Xiao <[email protected]>

versioned_docs/version-28/usage/repository/profile-readme.md

@@ -0,0 +1,18 @@
+---
+date: "2023-03-02T21:00:00+05:00"
+slug: "profile-readme"
+sidebar_position: 42
+aliases:
+  - /profile-readme
+---
+
+# Profile READMEs
+
+To display a Markdown file in your Gitea user or organization profile page, create a repository named `.profile` and add a new file named `README.md` to it.
+Gitea will automatically display the contents of the file on your profile, in a new "Overview" above your repositories.
+
+Making the `.profile` repository private will hide the Profile README.
+
+Example of user with `.profile/README.md`:
+
+![profile readme screenshot](/images/usage/profile-readme.png)