[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/snacks.lua

@@ -2,6 +2,14 @@ require("snacks").setup({
 	animate = {},
 	bigfile = {},
 	explorer = {},
+	picker = {
+		sources = {
+			explorer = {
+				hidden = true,
+				ignored = true,
+			},
+		},
+	},
 	indent = {
 		indent = { char = "▏" },
 		scope = { char = "▏" },
@@ -33,6 +41,7 @@ require("snacks").setup({
 				key = "l",
 				indent = 2,
 			},
+			{ icon = "󰐻", desc = "MCPHub", action = ":MCPHub", key = "h", indent = 2 },
 			{ icon = "", desc = "Mason", action = ":Mason", key = "m", indent = 2 },
 			{ icon = "", desc = "Tree-sitter", action = ":TSUpdate", key = "t", indent = 2, padding = 2 },