docs: fixed the cache options

README.md

@@ -125,8 +125,16 @@ require("lazy").setup({
     frequency = 3600, -- check for updates every hour
   },
   performance = {
-    ---@type LazyCacheConfig
-    cache = nil,
+    cache = {
+      enabled = true,
+      path = vim.fn.stdpath("state") .. "/lazy.state",
+      -- Once one of the following events triggers, caching will be disabled.
+      -- To cache all modules, set this to `{}`, but that is not recommended.
+      -- The default is to disable on:
+      --  * VimEnter: not useful to cache anything else beyond startup
+      --  * BufReadPre: this will be triggered early when opening a file from the command line directly
+      disable_events = { "VimEnter", "BufReadPre" },
+    },
     reset_packpath = true, -- reset the package path to improve startup time
     rtp = {
       reset = true, -- reset the runtime path to $VIMRUNTIME and your config directory