docs: add stable rollback info to README.md

Author: A7Lavinraj

README.md

@@ -35,8 +35,6 @@
 
 <br>
 
-## Setup with [Lazy.nvim](https://github.com/folke/lazy.nvim)
-
 ### Quick start
 
 ```lua
@@ -51,6 +49,22 @@
 }
 ```
 
+> [!WARNING]
+> If you see any problem with the new updates, you can change to most stable version
+
+```lua
+{
+    "A7lavinraj/assistant.nvim",
+    commit = "ca42f5231203ff3c9356180f2d4ca96061a70ef4",
+    dependencies = { "folke/snacks.nvim" }, -- optional but recommended
+    lazy = false, -- if you want to start TCP Listener on neovim startup
+    keys = {
+      { "<leader>a", "<cmd>AssistantToggle<cr>", desc = "Assistant.nvim" }
+    },
+    opts = {}
+}
+```
+
 ### Default configuration
 
 ```lua