modules: start breaking down core modules; simplify tree structure

modules/plugins/notes/todo-comments/config.nix

@@ -0,0 +1,49 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkMerge mkBinding mkIf;
+
+  cfg = config.vim.notes.todo-comments;
+  self = import ./todo-comments.nix {inherit lib;};
+  mappings = self.options.vim.notes.todo-comments.mappings;
+in {
+  config = mkIf (cfg.enable) {
+    vim.startPlugins = [
+      "todo-comments"
+    ];
+
+    vim.maps.normal = mkMerge [
+      (mkBinding cfg.mappings.quickFix ":TodoQuickFix<CR>" mappings.quickFix.description)
+      (mkIf config.vim.telescope.enable (mkBinding cfg.mappings.telescope ":TodoTelescope<CR>" mappings.telescope.description))
+      (mkIf config.vim.lsp.trouble.enable (mkBinding cfg.mappings.trouble ":TodoTrouble<CR>" mappings.trouble.description))
+    ];
+
+    vim.luaConfigRC.todo-comments = ''
+      require('todo-comments').setup {
+        highlight = {
+          before = "", -- "fg" or "bg" or empty
+          keyword = "bg", -- "fg", "bg", "wide" or empty
+          after = "fg", -- "fg" or "bg" or empty
+          pattern = ${cfg.patterns.highlight},
+          comments_only = true, -- uses treesitter to match keywords in comments only
+          max_line_len = 400, -- ignore lines longer than this
+          exclude = {}, -- list of file types to exclude highlighting
+        },
+        search = {
+          command = "${pkgs.ripgrep}/bin/rg",
+          args = {
+            "--color=never",
+            "--no-heading",
+            "--with-filename",
+            "--line-number",
+            "--column",
+          },
+          pattern = ${cfg.patterns.search},
+        },
+      }
+    '';
+  };
+}