Add CSV language and grammar config

languages.toml

@@ -3859,4 +3859,13 @@ indent = { tab-width = 4, unit = "    " }
 
 [[grammar]]
 name = "cylc"
-source = { git = "https://github.com/elliotfontaine/tree-sitter-cylc", rev = "30dd40d9bf23912e4aefa93eeb4c7090bda3d0f6" }
+source = { git = "https://github.com/elliotfontaine/tree-sitter-cylc", rev = "30dd40d9bf23912e4aefa93eeb4c7090bda3d0f6" }
+
+[[language]]
+name = "csv"
+file-types = ["csv"]
+scope = "source.csv"
+
+[[grammar]]
+name = "csv"
+source = { git = "https://github.com/weartist/rainbow-csv-tree-sitter", rev = "d3dbf916446131417e4c2ea9eb8591b23b466d27" }