gnu: Add emacs-evil-mu4e.

* gnu/packages/emacs.scm (emacs-evil-mu4e): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/packages/emacs.scm

@@ -10666,3 +10666,29 @@ (define-public emacs-evil-magit
 See the README at @url{https://github.com/justbur/evil-magit} for a table
 describing the key binding changes.")
       (license license:gpl3+))))
+
+(define-public emacs-evil-mu4e
+  (package
+    (name "emacs-evil-mu4e")
+    (version "0.0.8")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/JorisE/evil-mu4e/archive/"
+             "c03a0e11afda3092eb1461be09fa6a61ebc0e4f6"
+             ".tar.gz"))
+       (sha256
+        (base32
+         "1k3z5h04bqslrkq13paqf8pv9r0rf0zjl0zbb57ly043ds3nvxr2"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-evil" ,emacs-evil)
+       ("mu" ,mu)))
+    (home-page "https://github.com/JorisE/evil-mu4e")
+    (synopsis "Evil-based key bindings for mu4e")
+    (description
+     "Use keybindings for the mu4e mail reader in Emacs that make sense for
+Evil users.")
+    (license license:gpl3+)))