doc: add some screenshots

_dist/README.txt

@@ -1,6 +1,6 @@
 A web-based interface for arbitrary command-line tools.
 
-Configure the possible options for your command (e.g. optional flags, custom arguments) and remotely invoke the tool via a web interface. The web interface displays stdout/stderr of recent tasks.
+Configure the possible options for your command (e.g. optional flags, custom arguments) and then remotely invoke the tool via a web interface. The web interface displays stdout/stderr of recent and in-progress tasks, and can cancel a long-running command at any time.
 
 Written in Golang
 
@@ -18,8 +18,7 @@ See the included `webcmd.conf-sample` file for an example configuration implemen
 
 =GO GET=
 
-This package can be installed via go get:
-`go get code.ivysaur.me/webcmd`
+This package can be installed via go get: `go get code.ivysaur.me/webcmd`
 [go-get]code.ivysaur.me/webcmd git https://git.ivysaur.me/code.ivysaur.me/webcmd.git[/go-get]
 
 =CHANGELOG=