Update readme.md

readme.md

@@ -10,13 +10,13 @@ docker pull postgres
 docker run -d -e POSTGRES_USER=user -e POSTGRES_PASSWORD=password123 --name postgres -p 5432:5432  --restart=always postgres
 ```
 
-Download and install pgadmin
+Download and install pgadmin4 from below link
 
-```bash
-https://www.postgresql.org/ftp/pgadmin/pgadmin4/v4.19/windows/
+[PGAdmin4 ](https://www.postgresql.org/ftp/pgadmin/pgadmin4/v4.19/windows/)
 
 after installation start the pg admin by use below url
 
+```bash
 http://127.0.0.1:58283/browser/#
 ```