Remove dollar sign from usage section (#446)

Removed dollar sign to avoid pasting into the terminal

README.md

@@ -88,13 +88,13 @@ If you don't want to install the dependencies on your system, this can also be o
 At a command prompt, run
 
 ```bash
-$ xelatex {your-cv}.tex
+xelatex {your-cv}.tex
 ```
 
 Or using docker:
 
 ```bash
-$ docker run --rm --user $(id -u):$(id -g) -i -w "/doc" -v "$PWD":/doc thomasweise/texlive make
+docker run --rm --user $(id -u):$(id -g) -i -w "/doc" -v "$PWD":/doc thomasweise/texlive make
 ```
 
 In either case, this should result in the creation of ``{your-cv}.pdf``