update readme

README.md

@@ -7,7 +7,7 @@ images.
 ## Quickstart
 
 ```console
-docker run -ti --rm ghcr.io/jswank/alpine-cli
+$ docker run -ti --rm ghcr.io/jswank/alpine-cli
 ~ $ ^D
 exit
 ```
@@ -16,18 +16,18 @@ A script, using [casey/just](https://github.com/casey/just') is in [bin/cli](bin
 It can be used to quickly start an ephemeral (or persistent) container:
 
 ```console
-bin/cli
+$ bin/cli
 ~ $ ^D
 exit
 
-bin/cli persist
+$ bin/cli persist
 ~ $ ls
 ~ $ 
 exit
 
-podman cp foo.json alpine-cli:/home/cli
+$ podman cp foo.json alpine-cli:/home/cli
 
-bin/cli persist
+$ bin/cli persist
 ~ $ ls
 foo.json
 ~ $