Add which-key plugin and descriptions for all custom keymaps

lua/plugins/dap.lua

@@ -1,12 +1,29 @@
 return {
 	{
 		'mfussenegger/nvim-dap',
-		dependencies = { 'nvim-lua/plenary.nvim' }
+		dependencies = { 'nvim-lua/plenary.nvim' },
+		config = function()
+			local wk = require("which-key")
+			local dap = require("dap")
+			wk.add({
+				{ '<leader>d',  group = "dap" },
+				{ '<leader>db', dap.toggle_breakpoint, desc = "Toggle breakpoint" },
+				{ '<leader>dc', dap.continue,          desc = "Launch/resume debug session" },
+				{ '<leader>do', dap.step_over,         desc = "Step over" },
+				{ '<leader>di', dap.step_into,         desc = "Step into" },
+				{ '<leader>du', dap.step_out,          desc = "Step out" },
+			})
+		end
 	},
 	{
 		'rcarriga/nvim-dap-ui',
 		config = function()
-			require("dapui").setup()
+			local dapui = require("dapui")
+			dapui.setup()
+			local wk = require("which-key")
+			wk.add({
+				{ '<leader>dd', dapui.toggle, desc = "Toggle dap ui" }
+			})
 		end,
 		dependencies = { 'mfussenegger/nvim-dap', 'nvim-neotest/nvim-nio' }
 	},