Add documentation for stack commands

Also removes the `-f` flags of bundle to follow the single-letter flags
evaluation.

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Upstream-commit: 10919e890942cbdaa65f180dbcd475d21b9c6713
Component: engine

components/engine/docs/reference/commandline/stack_rm.md

@@ -0,0 +1,33 @@
+<!--[metadata]>
++++
+title = "stack rm"
+description = "The stack rm command description and usage"
+keywords = ["stack, rm, remove, down"]
+advisory = "experimental"
+[menu.main]
+parent = "smn_cli"
++++
+<![end-metadata]-->
+
+# stack rm (experimental)
+
+```markdown
+Usage:  docker stack rm STACK
+
+Remove the stack
+
+Aliases:
+  rm, remove, down
+
+Options:
+      --help   Print usage
+```
+
+Remove the stack from the swarm. This command has to be run targeting
+a manager node.
+
+## Related information
+
+* [stack config](stack_config.md)
+* [stack deploy](stack_deploy.md)
+* [stack tasks](stack_tasks.md)