k8s_cp - a new module for copying files to/from a Pod (#127)

* k8s_cp module

* add documentation for k8s_cp module

* add doc for the new module

* pods should be running

* support for binary, archive and zip file

* sanity

* Delete file.txt

* remove unused

* set back

* Update collection.txt

* Update test_copy_errors.yml

* Update plugins/modules/k8s_cp.py

Co-authored-by: Abhijeet Kasurde <akasurde@redhat.com>

* Update k8s_cp.py

* Update k8s_cp.py

* tar binary requirements

* Update common.py

* Update k8s_cp.py

* Update k8s_cp.py

* replace kind with binary file

* Update test_copy_large_file.yml

* Update plugins/action/k8s_info.py

Co-authored-by: Mike Graves <mgraves@redhat.com>

* Update k8s_info.py

* Update k8s_info.py

* Update k8s_cp.py

Co-authored-by: Abhijeet Kasurde <akasurde@redhat.com>
Co-authored-by: Mike Graves <mgraves@redhat.com>

molecule/default/roles/k8scopy/defaults/main.yml

@@ -0,0 +1,15 @@
+---
+# defaults file for k8copy
+copy_namespace: copy
+
+pod_with_one_container:
+  name: pod-copy-0
+  container: container-00
+
+pod_with_two_container:
+  name: pod-copy-1
+  container:
+  - container-10
+  - container-11
+
+kubectl_path: /tmp/kubectl