Add option to disable italic styling

lua/kanso/highlights/syntax.lua

@@ -9,7 +9,8 @@ function M.setup(colors, config)
 
     return {
         -- *Comment	any comment
-        Comment = vim.tbl_extend("force", { fg = theme.syn.comment }, config.commentStyle),
+        Comment = vim.tbl_extend("force", { fg = theme.syn.comment }, config.disableItalics and {} or config
+        .commentStyle),
 
         -- *Constant	any constant
         Constant = { fg = theme.syn.constant },
@@ -37,7 +38,8 @@ function M.setup(colors, config)
         --  Operator	"sizeof", "+", "*", etc.
         Operator = { fg = theme.syn.operator },
         --  Keyword	any other keyword
-        Keyword = vim.tbl_extend("force", { fg = theme.syn.keyword }, config.keywordStyle),
+        Keyword = vim.tbl_extend("force", { fg = theme.syn.keyword }, config.disableItalics and {} or config
+            .keywordStyle),
         --  Exception	try, catch, throw
         Exception = { fg = theme.syn.special2 },
 
@@ -66,7 +68,7 @@ function M.setup(colors, config)
         -- *Underlined	text that stands out, HTML links
         Underlined = { fg = theme.syn.special1, underline = true },
         Bold = { bold = true },
-        Italic = { italic = true },
+        Italic = { italic = not config.disableItalics },
 
         -- *Ignore		left blank, hidden  |hl-Ignore|
         Ignore = { link = "NonText" },