feat: markdown to html script

- add binary: md2html
- nvf: add snack nvim

home/user/nvf/plugins/snacks-nvim/default.nix

@@ -0,0 +1,55 @@
+{ pkgs, ... }:
+{
+  programs.nvf.settings.vim = {
+    keymaps = import ./keymaps.nix;
+    extraPackages = with pkgs; [ fd ];
+  };
+
+  programs.nvf.settings.vim.utility.snacks-nvim = {
+    enable = true;
+    setupOpts = {
+      bigfile = {
+        enabled = true;
+      };
+      dashboard = {
+        enabled = false;
+      };
+      explorer = {
+        enabled = true;
+      };
+      indent = {
+        enabled = true;
+      };
+      input = {
+        enabled = true;
+      };
+      picker = {
+        enabled = true;
+        sources = {
+          explorer.layout.layout.position = "right";
+        };
+        formatters = {
+          file.filename_first = true;
+        };
+      };
+      notifier = {
+        enabled = true;
+      };
+      quickfile = {
+        enabled = true;
+      };
+      scope = {
+        enabled = true;
+      };
+      scroll = {
+        enabled = true;
+      };
+      statuscolumn = {
+        enabled = false;
+      };
+      words = {
+        enabled = true;
+      };
+    };
+  };
+}