feat(neovim): add transparency.nvim with many tweaks

modules/home-manager/programs/neovim/lua/plugins/user.lua

@@ -26,6 +26,74 @@ return {
     end,
   },
 
+  -- Makes most if not all groups have a transparent background.
+  {
+    "xiyaowong/transparent.nvim",
+    opts = function(_, opts)
+      opts.groups = {
+        "Comment",
+        "Conditional",
+        "Constant",
+        "CursorLine",
+        "CursorLineNr",
+        "EndOfBuffer",
+        "Function",
+        "Identifier",
+        "LineNr",
+        "NonText",
+        "Normal",
+        "NormalNC",
+        "Operator",
+        "PreProc",
+        "Repeat",
+        "SignColumn",
+        "Special",
+        "Statement",
+        -- "StatusLine",
+        -- "StatusLineNC",
+        "String",
+        "Structure",
+        "Todo",
+        "Type",
+        "Underlined",
+      }
+
+      opts.extra_groups = {
+        "CursorColumn",
+        "CursorLineFold",
+        "CursorLineSign",
+        "DiagnosticSignError",
+        "DiagnosticSignHint",
+        "DiagnosticSignInfo",
+        "DiagnosticSignOk",
+        "DiagnosticSignWarn",
+        "FloatBorder",
+        "FoldColumn",
+        "Folded",
+        "GitSignsAdd",
+        "GitSignsChange",
+        "GitSignsDelete",
+        "LineNr",
+        "LineNrAbove",
+        "LineNrBelow",
+        "LineNrBelow",
+        "NeoTreeFloatBoarder",
+        "NeoTreeMessage",
+        "NeoTreeNormal",
+        "NeoTreeTabSeparatorActive",
+        "NeoTreeTabSeparatorInactive",
+        "NeoTreeVertSplit",
+        "NeoTreeWinSeparator",
+        "TabLine",
+        "TabLineFill",
+        "VertSplit",
+        "WinBar",
+        "WinBarNC",
+        "WinSeparator",
+      }
+    end,
+  },
+
   -- Adds highlighting and lsp features for embedded code in documents.
   {
     "jmbuhr/otter.nvim",