Add stack service and fix typos

Signed-off-by: yuexiao-wang <[email protected]>

docs/reference/commandline/attach.md

@@ -27,11 +27,10 @@ Options:
       --sig-proxy            Proxy all received signals to the process (default true)
 ```
 
-The `docker attach` command allows you to attach to a running container using
-the container's ID or name, either to view its ongoing output or to control it
-interactively. You can attach to the same contained process multiple times
-simultaneously, screen sharing style, or quickly view the progress of your
-detached  process.
+Use `docker attach` to attach to a running container using the container's ID
+or name, either to view its ongoing output or to control it interactively.
+You can attach to the same contained process multiple times simultaneously,
+screen sharing style, or quickly view the progress of your detached process.
 
 To stop a container, use `CTRL-c`. This key sequence sends `SIGKILL` to the
 container. If `--sig-proxy` is true (the default),`CTRL-c` sends a `SIGINT` to

docs/reference/commandline/stack_ls.md

@@ -40,3 +40,4 @@ myapp              2
 * [stack deploy](stack_deploy.md)
 * [stack rm](stack_rm.md)
 * [stack ps](stack_ps.md)
+* [stack services](stack_services.md)