feat(omnisharp): add nvim-dap configuration (#2532)

* feat(omnisharp): add `nvim-dap` configuration

* chore(omnisharp): add `netcoredbg` to `ensure_installed`

* chore: simplify get `netcoredbg` path

lua/lazyvim/plugins/extras/lang/omnisharp.lua

@@ -35,8 +35,9 @@ return {
   {
     "williamboman/mason.nvim",
     opts = function(_, opts)
-      opts.ensure_installed = opts.ensure_installed or {}
-      table.insert(opts.ensure_installed, "csharpier")
+      if type(opts.ensure_installed) == "table" then
+        vim.list_extend(opts.ensure_installed, { "netcoredbg", "csharpier" })
+      end
     end,
   },
   {
@@ -65,4 +66,34 @@ return {
       },
     },
   },
+  {
+    "mfussenegger/nvim-dap",
+    optional = true,
+    opts = function()
+      local dap = require("dap")
+      if not dap.adapters["netcoredbg"] then
+        require("dap").adapters["netcoredbg"] = {
+          type = "executable",
+          command = vim.fn.exepath("netcoredbg"),
+          args = { "--interpreter=vscode" },
+        }
+      end
+      for _, lang in ipairs({ "cs", "fsharp", "vb" }) do
+        if not dap.configurations[lang] then
+          dap.configurations[lang] = {
+            {
+              type = "netcoredbg",
+              name = "Launch file",
+              request = "launch",
+              ---@diagnostic disable-next-line: redundant-parameter
+              program = function()
+                return vim.fn.input("Path to dll: ", vim.fn.getcwd() .. "/", "file")
+              end,
+              cwd = "${workspaceFolder}",
+            },
+          }
+        end
+      end
+    end,
+  },
 }