gnu: Add julia-tableshowutils.

* gnu/packages/julia-xyz.scm (julia-tableshowutils-0.2.5): New variable.

gnu/packages/julia-xyz.scm

@@ -1747,3 +1747,28 @@ various packages")
     (description "Iterable tables is a generic interface for tabular data.  A
 large number of packages are compatible with this interface.")
     (license license:expat)))
+
+(define-public julia-tableshowutils
+  (package
+    (name "julia-tableshowutils")
+    (version "0.2.5")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/queryverse/TableShowUtils.jl")
+             (commit "0515a2cc615d55c2c5412e8d84740ea01fa4f7aa")))
+       (file-name "TableShowUtils")
+       (sha256
+        (base32 "1mbniba5llf4f0k57wwd2a0i5c77d1sry66xaz9h9w5b2lhx7cdy"))))
+    (propagated-inputs `(("julia-json" ,julia-json)
+                         ("julia-datavalues" ,julia-datavalues)))
+    (build-system julia-build-system)
+    (home-page "https://github.com/queryverse/TableShowUtils.jl")
+    (synopsis "Package that provides helpers for implementing show for
+TableTraits.jl types")
+    (description "This package provides some common helper functions that make
+it easier to implement various @code{Base.show} functions for types that
+participate in the TableTraits.jl ecosystem.  Most users will probably not
+have any direct use for this package.")
+    (license license:expat)))