created otter file

modules/plugins/lsp/otter/config.nix

@@ -3,17 +3,26 @@
   lib,
   ...
 }: let
-  inherit (lib.modules) mkIf;
+  inherit (lib.modules) mkIf mkMerge;
   inherit (lib.nvim.dag) entryAnywhere;
+  inherit (lib.nvim.binds) addDescriptionsToMappings mkSetBinding;
 
   cfg = config.vim.lsp;
+
+  self = import ./otter.nix {inherit lib;};
+  mappingDefinitions = self.options.vim.lsp.otter.mappings;
+  mappings = addDescriptionsToMappings cfg.otter.mappings mappingDefinitions;
 in {
   config = mkIf (cfg.enable && cfg.otter.enable) {
     vim = {
       startPlugins = ["otter"];
 
-      pluginRC.trouble = entryAnywhere ''
-        -- Enable Otter
+      maps.normal = mkMerge [
+        (mkSetBinding mappings.toggle "<cmd>lua require'otter'.activate()<CR>")
+      ];
+
+      pluginRC.otter = entryAnywhere ''
+        -- Enable otter diagnostics viewer
         require("otter").setup {}
       '';
     };

modules/plugins/lsp/otter/default.nix

@@ -1,9 +1,6 @@
-{lib, ...}: let
-  inherit (lib.options) mkEnableOption;
-in {
-  options.vim.lsp = {
-    otter = {
-      enable = mkEnableOption "trouble lsp for markup languages";
-    };
-  };
+{
+  imports = [
+    ./otter.nix
+    ./config.nix
+  ];
 }

modules/plugins/lsp/otter/otter.nix

@@ -0,0 +1,14 @@
+{lib, ...}: let
+  inherit (lib.options) mkEnableOption;
+  inherit (lib.nvim.binds) mkMappingOption;
+in {
+  options.vim.lsp = {
+    trouble = {
+      enable = mkEnableOption "Otter LSP Injector";
+
+      mappings = {
+        toggle = mkMappingOption "Activate LSP on Cursor Position [otter]" "<leader>oa";
+      };
+    };
+  };
+}