Add DAP support for metals

lua/lsp/metals.lua

@@ -4,9 +4,36 @@ if (not status) then return function() end end
 return function(on_attach)
     metals_config = metals.bare_config()
     metals_config.init_options.statusBarProvider = "on"
-    metals_config.settings = { showImplicitArguments = true }
-    metals_config.on_attach = on_attach
+    metals_config.settings = {
+      showImplicitArguments = true,
+      superMethodLensesEnabled = true,
+    }
+    metals_config.on_attach = function(client, bufnr)
+        require("metals").setup_dap()
+        on_attach(client, bufnr)
+    end
     metals_config.capabilities = require("cmp_nvim_lsp").default_capabilities()
+    -- Debug settings if you're using nvim-dap
+    local dap = require("dap")
+    dap.configurations.scala = {
+      {
+        type = "scala",
+        request = "launch",
+        name = "RunOrTest",
+        metals = {
+          runType = "runOrTestFile",
+          --args = { "firstArg", "secondArg", "thirdArg" }, -- here just as an example
+        },
+      },
+      {
+        type = "scala",
+        request = "launch",
+        name = "Test Target",
+        metals = {
+          runType = "testTarget",
+        },
+      },
+    }
 
 
     vim.cmd [[augroup lsp]]