Add Matt Simenc to DESCRIPTION as contributor

DESCRIPTION

@@ -9,6 +9,7 @@ Authors@R: c(
     person("Jonathan", "Sidi", email = "[email protected]", comment = "https://github.com/yonicd",role = "ctb"),
     person("Jaehyun", "Joo", comment = "https://github.com/jaehyunjoo",role = "ctb"),
     person("Yoav", "Benjamini", email = "[email protected]",role = "ths"))
+    person("Mathew", "Simenc", role = "ctb", comment = "https://gitlab.com/mcsimenc, https://github.com/mcsimenc"))
 Description: Create interactive cluster 'heatmaps' that can be saved as a stand-
     alone HTML file, embedded in 'R Markdown' documents or in a 'Shiny' app, and
     available in the 'RStudio' viewer pane. Hover the mouse pointer over a cell to