treewide: begin restructuring the module tree

modules/plugins/utility/preview/markdown-preview/markdown-preview.nix

@@ -0,0 +1,58 @@
+{lib, ...}: let
+  inherit (lib.options) mkEnableOption mkOption;
+  inherit (lib.types) bool str listOf;
+in {
+  options.vim.utility.preview = {
+    markdownPreview = {
+      enable = mkEnableOption "Markdown preview in neovim with markdown-preview.nvim";
+
+      autoStart = mkOption {
+        type = bool;
+        default = false;
+        description = "Automatically open the preview window after entering a Markdown buffer";
+      };
+
+      autoClose = mkOption {
+        type = bool;
+        default = true;
+        description = "Automatically close the preview window after leaving a Markdown buffer";
+      };
+
+      lazyRefresh = mkOption {
+        type = bool;
+        default = false;
+        description = "Only update preview when saving or leaving insert mode";
+      };
+
+      filetypes = mkOption {
+        type = listOf str;
+        default = ["markdown"];
+        description = "Allowed filetypes";
+      };
+
+      alwaysAllowPreview = mkOption {
+        type = bool;
+        default = false;
+        description = "Allow preview on all filetypes";
+      };
+
+      broadcastServer = mkOption {
+        type = bool;
+        default = false;
+        description = "Allow for outside and network wide connections";
+      };
+
+      customIP = mkOption {
+        type = str;
+        default = "";
+        description = "IP-address to use";
+      };
+
+      customPort = mkOption {
+        type = str;
+        default = "";
+        description = "Port to use";
+      };
+    };
+  };
+}