dev: init nvim-dap setup

modules/debugger/nvim-dap/config.nix

@@ -0,0 +1,23 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib;
+with builtins; let
+  cfg = config.vim.debugger.nvim-dap;
+in {
+  config = mkIf cfg.enable {
+    vim.startPlugins =
+      [
+        "nvim-dap"
+      ]
+      ++ optionals cfg.ui.enable [
+        "nvim-dap-ui"
+      ];
+
+    vim.luaConfigRC.nvim-dap-ui = nvim.dag.entryAnywhere ''
+      require("dapui").setup()
+    '';
+  };
+}

modules/debugger/nvim-dap/default.nix

@@ -0,0 +1,6 @@
+_: {
+  imports = [
+    ./config.nix
+    ./nvim-dap.nix
+  ];
+}

modules/debugger/nvim-dap/nvim-dap.nix

@@ -0,0 +1,10 @@
+{lib, ...}:
+with lib; {
+  options.vim.debugger.nvim-dap = {
+    enable = mkEnableOption "Enable debugging via nvim-dap";
+
+    ui = {
+      enable = mkEnableOption "Enable UI extension for nvim-dap";
+    };
+  };
+}