lsp: Add fsharp and haskell

nix/programs/nvim/default.nix

@@ -81,6 +81,8 @@
           vim-illuminate
           vim-startuptime
           which-key-nvim
+          haskell-tools-nvim
+          Ionide-vim
           { name = "LuaSnip"; path = luasnip; }
           #{ name = "catppuccin"; path = catppuccin-nvim; }
           { name = "mini.ai"; path = mini-nvim; }

nix/programs/nvim/lua/plugins/plugins.lua

@@ -284,7 +284,9 @@ return {
 	{
 		"barreiroleo/ltex_extra.nvim",
 		branch = "dev",
-		ft = { "markdown", "tex", "typst", "typ", "text" },
+		ft = { "tex", "typst", "text" },
+		-- this causes an error with fsharp since
+		-- they use markdown to show lsp messages
 		config = function()
 			require("ltex_extra").setup({
 				load_langs = { "en-US" },
@@ -292,4 +294,10 @@ return {
 			})
 		end,
 	},
+	{ "ionide/Ionide-vim", ft = "fsharp" },
+	{
+		"mrcjkb/haskell-tools.nvim",
+		version = "^3",
+		lazy = false,
+	},
 }