feat: add peek plugin

lua/plugins/peek.lua

@@ -0,0 +1,10 @@
+return {
+    "toppair/peek.nvim",
+    event = { "VeryLazy" },
+    build = "deno task --quiet build:fast",
+    config = function()
+        require("peek").setup()
+        vim.api.nvim_create_user_command("PeekOpen", require("peek").open, {})
+        vim.api.nvim_create_user_command("PeekClose", require("peek").close, {})
+    end,
+}