Move missing task to its role

Move the multi-copy task to its proper role and add grammer to a
sentence.

roles/multi-copy/tasks/main.yml

@@ -1,4 +1,4 @@
-- name: copy web site related file(s) to remote host
+- name: copy files to the remote host
   copy:
     src: '{{ workdir }}/{{ fqdn }}/{{ item }}'
     dest: '{{ dest }}'

roles/multi-fetch/tasks/main.yml

@@ -1,4 +1,4 @@
-- name: get files from remote host
+- name: get files from the remote host
   fetch:
     src: '{{ item }}'
     dest: '{{ dest }}'