gnu: Add go-github-com-itchyny-timefmt-go.

* gnu/packages/web (go-github-com-itchyny-timefmt-go): New variable.

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

gnu/packages/web.scm

@@ -4896,6 +4896,29 @@ (define-public jq
 you'd expect.")
     (license (list license:expat license:cc-by3.0))))
 
+(define-public go-github-com-itchyny-timefmt-go
+  (package
+    (name "go-github-com-itchyny-timefmt-go")
+    (version "0.1.4")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/itchyny/timefmt-go")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0z5z8hy5lbjqdxp544mf238i77n7pf7bv3psgr5gffh0630dsyag"))))
+    (build-system go-build-system)
+    (arguments
+     (list #:import-path "github.com/itchyny/timefmt-go"))
+    (home-page "https://github.com/itchyny/timefmt-go")
+    (synopsis "Efficient time formatting library (strftime, strptime) for Golang")
+    (description
+     "@code{timefmt-go} is a Go language package for formatting and parsing date
+time strings.")
+    (license license:expat)))
+
 (define-public pup
   (let ((revision "1")
         (commit "681d7bb639334bf485476f5872c5bdab10931f9a"))