document local.js

docs/honk.8

@@ -107,6 +107,8 @@ PNG files are supported.
 Site CSS may be overridden by creating a
 .Pa views/local.css
 file in the data directory.
+Site JS may similarly be included by creating
+.Pa views/local.js .
 A restart is required after changes.
 A site icon.png and favicon.ico will be served from the views directory
 in the data directory, if present.
@@ -221,6 +223,8 @@ Media and attachment storage.
 Custom emoji.
 .It Pa memes
 Stickers and such.
+.It Pa views/local.js
+Locally customized JS.
 .It Pa views/local.css
 Locally customized CSS.
 .El