gnu: Add go-github-com-go-playground-locales.

* gnu/packages/golang.scm (go-github-com-go-playground-locales): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/golang.scm

@@ -537,6 +537,40 @@ (define-public go-github.com-jessevdk-go-flags
     (home-page "https://github.com/jessevdk/go-flags")
     (license license:bsd-3)))
 
+(define-public go-github-com-go-playground-locales
+  (package
+    (name "go-github-com-go-playground-locales")
+    (version "0.13.0")
+    (home-page "https://github.com/go-playground/locales")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url home-page)
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0qydcpkvss3mf8mk3xzg6a34n8i69aydrigcl2apifrkx72jw7pf"))))
+    (build-system go-build-system)
+    (arguments
+     '(#:import-path "github.com/go-playground/locales"))
+    (synopsis "Set of locales generated from the CLDR Unicode Project")
+    (description
+     "This package provides a set of locales generated from the
+@uref{http://cldr.unicode.org/, Unicode CLDR Project} which can be used
+independently or within an internalization (i18n) package.  Its currently
+implemented features include
+
+@itemize
+@item Rules generated from the CLDR data, v31.0.3
+@item Contains Cardinal, Ordinal and Range Plural Rules
+@item Contains Month, Weekday and Timezone translations built in
+@item Contains Date & Time formatting functions
+@item Contains Number, Currency, Accounting and Percent formatting functions
+@item Supports the \"Gregorian\" calendar only
+@end itemize")
+    (license license:expat)))
+
 (define-public go-github-com-aws-sdk
   (package
     (name "go-github-com-aws-sdk")