updated

Getting started.md

@@ -1,6 +1,5 @@
 # بسم الله الرحمن الرحيم
 
-## Installation
 
 > **Note:** Ghaymah CLI is currently supported only on **Linux**.
 
@@ -9,13 +8,6 @@ To install the cli , run the following command:
 ```bash
 curl -sSl https://cli.ghaymah.systems/install.sh | bash
 ```
-
-## Authentication
-
-## Command completion
-
-### Step 1: Identify your shell
-
 Run
 
 ```bash