update README.md

Author: Ashishkumbhar01

README.md

@@ -13,6 +13,20 @@ Supabase  client for PHP:
 - When you creating your supabase table, make sure RLS (Row Level Security) option be [×] disable.
 - If RLS are enable [✓] maybe you getting some errors.
 
+<details>
+<summary> ### ⚠️ Warning </summary>
+<p>if you push the code to production while Row-Level Security (RLS) is disabled, it can pose a security threat to your application. To secure your app, please enable Row-Level Security. Otherwise, write an Object-Oriented PDO connection with PostgreSQL.</p>
+
+ ### example code.
+ ```env
+HOST=aws-o-ap-south-pool.supabase.com
+PORT=6543
+USERNAME=postgres.grufgrcytvrh
+PASSWORD=[Your Password]
+DATABASE=postgres
+```
+</details>
+
 
 ### `Install`
 * Install Supabase client for our project.