Update README.md

Author: hasanisaeed

README.md

@@ -1,13 +1,7 @@
 
-# Usage 
-Just copy `.vim` folder and `.vimrc` file to the `home` directory :)
+# How to install? 
+Copy `.vim` folder and `.vimrc` file to the `home` directory, then run the following command:
 
-# Demo
-
-![vim demo](assets/demo.png)
-
-# Pre-requirement
-Just run:
 ```bash
 git clone https://github.com/srcery-colors/srcery-vim ~/.vim/pack/default/opt/srcery-vim
 ```
@@ -22,4 +16,9 @@ git clone https://github.com/srcery-colors/srcery-vim ~/.vim/pack/default/opt/sr
 | **F4**       | switch between tabs      |                                                |
 | **F5**        | run python or  bash file |                                                | 
 | **F9**        | open drawer menu         |                                                | It's toggle
-| **F10**       | run pylint               | Pylint is a static code analyzer for Python 2/3 |
+| **F10**       | run pylint               | Pylint is a static code analyzer for Python 2/3 |
+
+
+# Demo
+
+![vim demo](assets/demo.png)