[neovim] Add MCPHub integration

Enhance snacks plugin configuration by adding:
- MCPHub integration with dedicated menu entry
- Explorer configuration for picker with hidden and ignored files
  enabled

.config/nvim/lua/plugins/lualine.lua

@@ -119,6 +119,9 @@ require("lualine").setup({
 				cond = require("noice").api.statusline.mode.has,
 				color = { fg = "#ff9e64" },
 			},
+			{
+				require("mcphub.extensions.lualine"),
+			},
 			{
 				require("noice").api.status.search.get,
 				cond = require("noice").api.status.search.has,