doc: INSTALL: add Guix to distribution list

public-inbox has been available in Guix since 2019.

diff --git a/INSTALL b/INSTALL
index e1aa2c0e92d6f99c6086cf38cb4180a4de38f175..e8bfba974a5acaf6b6cd9032377e9032754ba0d9 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -6,7 +6,7 @@ Clients should use normal git-clone/git-fetch, IMAP or NNTP clients
 if they want to import mail into their personal inboxes.
 
 As of 2021, public-inbox is packaged by several OS distributions,
-listed in alphabetical order: Debian, NixOS, and Void Linux.
+listed in alphabetical order: Debian, GNU Guix, NixOS, and Void Linux.
 
 public-inbox is developed on Debian GNU/Linux systems and will
 never depend on packages outside of the "main" component of