nvim: add paint plugin for syntax hl workarounds

.config/nvim/lua/my/filetypes.lua

@@ -64,3 +64,14 @@ require('colorizer').setup({
         RRGGBBAA = true,
     }
 })
+
+-- workarounds for missing syntax highlighting
+require('paint').setup({
+    highlights = {
+        {
+            filter = { filetype = 'cpp' },
+            pattern = '%s*%*!?%s*(@%w+)',
+            hl = 'Constant'
+        },
+    }
+})

.config/nvim/lua/my/plugins.lua

@@ -54,6 +54,9 @@ require('packer').startup({ function(use)
     }
     use { 'https://github.com/NvChad/nvim-colorizer.lua' }
     use { 'https://github.com/chikamichi/mediawiki.vim' }
+    if vim.version().api_level >= 10 then -- >=0.8.0
+        use { 'https://github.com/folke/paint.nvim' }
+    end
 
     -- completion
     use {