rosenthal: Add go-github-com-gin-gonic-gin.

* rosenthal/packages/golang.scm (go-github-com-gin-gonic-gin): New variable.

rosenthal/packages/golang.scm

@@ -33,6 +33,38 @@
      "This package provides a Server-Sent Events implementation in Go.")
     (license license:expat)))
 
+(define-public go-github-com-gin-gonic-gin
+  (package
+    (name "go-github-com-gin-gonic-gin")
+    (version "1.8.2")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/gin-gonic/gin")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1wijl9f65pmdl1lwlp8lm2fl3znwzarr1v0khz5zpp4jrrchnq9b"))))
+    (build-system go-build-system)
+    (arguments
+     '(#:import-path "github.com/gin-gonic/gin"))
+    (propagated-inputs
+     (list go-github-com-gin-contrib-sse
+           go-github-com-go-playground-validator-v10
+           go-github-com-mattn-go-isatty
+           go-github-com-pelletier-go-toml-v2
+           go-github-com-ugorji-go-codec
+           go-golang-org-x-net
+           go-google-golang-org-protobuf
+           go-gopkg-in-yaml-v2))
+    (native-inputs
+     (list go-github-com-stretchr-testify))
+    (home-page "https://gin-gonic.com/")
+    (synopsis "HTTP web framework written in Go")
+    (description "Gin is a HTTP web framework written in Go.")
+    (license license:expat)))
+
 (define-public go-github-com-go-playground-assert-v2
   (package
     (name "go-github-com-go-playground-assert-v2")