[feature] Add global instance CSS customization setting (#3352)

Allow instance admins to add custom CSS that will affect
every page of their instance.

This is done with a new CustomCSS instance setting that
works pretty much exactly like the Users CustomCSS property.
This custom CSS is then requested for every page load.
User styles/themes take precedence over this CSS.

Co-authored-by: tobi <tobi.smethurst@protonmail.com>
This commit is contained in:
Victor Dyotte 2024-12-02 06:24:48 -05:00 committed by GitHub
commit 9609c4550d
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25 changed files with 158 additions and 27 deletions

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@ -115,7 +115,7 @@ func (m *Module) threadGETHandler(c *gin.Context) {
}
// Prepare stylesheets for thread.
stylesheets := make([]string, 0, 5)
stylesheets := make([]string, 0, 6)
// Basic thread stylesheets.
stylesheets = append(
@ -131,6 +131,7 @@ func (m *Module) threadGETHandler(c *gin.Context) {
if theme := targetAccount.Theme; theme != "" {
stylesheets = append(
stylesheets,
instanceCustomCSSPath,
themesPathPrefix+"/"+theme,
)
}