gnu: Add r-ggforce.

* gnu/packages/cran.scm (r-ggforce): New variable.

gnu/packages/cran.scm

@@ -13272,3 +13272,34 @@ intended to be useful for people dealing with web-related datasets, such as
 server-side logs, although may be useful for other situations involving large
 sets of URLs.")
     (license license:expat)))
+
+(define-public r-ggforce
+  (package
+    (name "r-ggforce")
+    (version "0.2.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "ggforce" version))
+       (sha256
+        (base32
+         "04rh9z58q288lbi933472lgl26wwbw58rfhpgfyijmw9ccz7i93m"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-ggplot2" ,r-ggplot2)
+       ("r-gtable" ,r-gtable)
+       ("r-mass" ,r-mass)
+       ("r-polyclip" ,r-polyclip)
+       ("r-rcpp" ,r-rcpp)
+       ("r-rcppeigen" ,r-rcppeigen)
+       ("r-rlang" ,r-rlang)
+       ("r-scales" ,r-scales)
+       ("r-tweenr" ,r-tweenr)))
+    (home-page "https://ggforce.data-imaginist.com")
+    (synopsis "Accelerating ggplot2")
+    (description
+     "The aim of the ggplot2 package is to aid in visual data investigations.
+This focus has led to a lack of facilities for composing specialized plots.
+Thi package aims to be a collection of mainly new statistics and geometries
+that fills this gap.")
+    (license license:expat)))