doc: Updated README.md

Author: OXY2DEV

README.md

@@ -5,8 +5,11 @@
 >
 > Also, You can always tag the plugin's version to `v1.0.0` from your package manager until you are ready to migrate.
 
-<img src="https://github.com/OXY2DEV/foldtext.nvim/blob/images/images/foldtext.nvim-1.png">
-<img src="https://github.com/OXY2DEV/foldtext.nvim/blob/images/images/foldtext.nvim-2.png">
+
+![demo_1](https://raw.githubusercontent.com/OXY2DEV/foldtext.nvim/refs/heads/images/images/foldtext.nvim-1.png)
+
+![demo_2](https://raw.githubusercontent.com/OXY2DEV/foldtext.nvim/refs/heads/images/images/foldtext.nvim-2.png)
+
 
 *Fancy* foldtext for `Neovim`.