gnu: Add emacs-ef-themes.

* gnu/packages/emacs-xyz.scm (emacs-ef-themes): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu/packages/emacs-xyz.scm

@@ -5172,6 +5172,29 @@ tool for Emacs.  Ecukes is not a complete clone of Cucumber and is not
 intended to be.")
     (license license:gpl3+)))
 
+(define-public emacs-ef-themes
+  (package
+    (name "emacs-ef-themes")
+    (version "0.9.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://git.sr.ht/~protesilaos/ef-themes")
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "1h1xlcbcay8wlmhzv7b5h6vrvwdwkzc171aa0rfja2xds4ry9k0m"))))
+    (build-system emacs-build-system)
+    (home-page "https://git.sr.ht/~protesilaos/ef-themes")
+    (synopsis "Colorful and legible themes")
+    (description
+     "The Ef themes are a collection of light and dark themes for GNU Emacs
+whose goal is to provide colorful yet legible options for users who want
+something with a bit more flair than the Modus themes.")
+    (license license:gpl3+)))
+
 (define-public emacs-espuds
   (package
     (name "emacs-espuds")