Remove "dollars" from bash scripts

Author: SerafimArts

README.md

@@ -24,7 +24,7 @@ TypeLang PHPDoc Parser is available as Composer repository and can
 be installed using the following command in a root of your project:
 
 ```sh
-$ composer require type-lang/phpdoc
+composer require type-lang/phpdoc
 ```
 
 ## Quick Start