gnu: Add texlive-luaaddplot.

* gnu/packages/tex.scm (texlive-luaaddplot): New variable.

gnu/packages/tex.scm

@@ -16282,6 +16282,28 @@ (define-public texlive-lua-widow-control
     ;; Use either license.
     (license (list license:mpl2.0 license:cc-by-sa4.0))))
 
+(define-public texlive-luaaddplot
+  (package
+    (name "texlive-luaaddplot")
+    (version (number->string %texlive-revision))
+    (source (texlive-origin
+             name version
+             (list "doc/luatex/luaaddplot/"
+                   "source/luatex/luaaddplot/"
+                   "tex/luatex/luaaddplot/")
+             (base32
+              "0r7n2s8isw3rm0g2l0zljh86ysh1zyfbmypci3kgciad5smjzx15")))
+    (outputs '("out" "doc"))
+    (build-system texlive-build-system)
+    (home-page "https://ctan.org/pkg/luaaddplot")
+    (synopsis "Extension to @code{pgfplots}' @code{\\addplot} macro")
+    (description
+     "This package is an extension to @code{pgfplots}.  It extends the
+@code{\\addplot} macro by a facility which allows modification of data files
+while they are read.  With @code{luaaddplot} it is no longer necessary to
+pre-process data files generated by measuring devices with external scripts.")
+    (license license:lppl1.3+)))
+
 (define-public texlive-babel-czech
   (package
     (name "texlive-babel-czech")