Remove $ from bash code snippet

For easy copying and pasting on terminal

Author: 3willows

README.md

@@ -50,13 +50,13 @@ You can download the theme manually by going to [https://github.com/rhazdon/hugo
 You can also clone it directly to your Hugo folder:
 
 ``` bash
-$ git clone https://github.com/rhazdon/hugo-theme-hello-friend-ng.git themes/hello-friend-ng
+git clone https://github.com/rhazdon/hugo-theme-hello-friend-ng.git themes/hello-friend-ng
 ```
 
 If you don't want to make any radical changes, it's the best option, because you can get new updates when they are available. To do so, include it as a git submodule:
 
 ``` bash
-$ git submodule add https://github.com/rhazdon/hugo-theme-hello-friend-ng.git themes/hello-friend-ng
+git submodule add https://github.com/rhazdon/hugo-theme-hello-friend-ng.git themes/hello-friend-ng
 ```
 
 ## How to configure