created otter file

modules/plugins/lsp/otter/config.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib.modules) mkIf;
+  inherit (lib.nvim.dag) entryAnywhere;
+
+  cfg = config.vim.lsp;
+in {
+  config = mkIf (cfg.enable && cfg.otter.enable) {
+    vim = {
+      startPlugins = ["otter"];
+
+      pluginRC.trouble = entryAnywhere ''
+        -- Enable Otter
+        require("otter").setup {}
+      '';
+    };
+  };
+}

modules/plugins/lsp/otter/default.nix

@@ -0,0 +1,9 @@
+{lib, ...}: let
+  inherit (lib.options) mkEnableOption;
+in {
+  options.vim.lsp = {
+    otter = {
+      enable = mkEnableOption "trouble lsp for markup languages";
+    };
+  };
+}