Add compat entry for UnicodePlots

Author: marcom

Project.toml

@@ -25,14 +25,16 @@ R2R_jll = "=1.0.6"
 Requires = "1.3"
 Scratch = "1.1"
 SnoopPrecompile = "1"
+UnicodePlots = "3"
 ViennaRNA = "0.9,0.10"
 julia = "1.6"
 
 [extras]
 BioStockholm = "eeb925a3-6f9d-43e6-829e-e0ea03b76ecf"
 CairoMakie = "13f3f980-e62b-5c42-98c6-ff1f3baf88f0"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+UnicodePlots = "b8865327-cd53-5732-bb35-84acbb429228"
 ViennaRNA = "05a721ad-238d-4945-8c85-8b5c1fff3465"
 
 [targets]
-test = ["BioStockholm", "Test", "ViennaRNA"]
+test = ["BioStockholm", "Test", "UnicodePlots", "ViennaRNA"]