* Add to k8s_raw docs re: vault-encrypted files
I didn't read the examples far enough and maybe would not have tried all the examples so I ended up creating https://github.com/ansible/ansible/issues/47259 and learned that definition key with lookup works well and we agreed the docs should say something. :)
+label: docsite_pr
* Add note about ansible vault-encrypted files to src: param
* Remove trailing whitespace
* Make changes from feedback
* Make feedback changes