Add completion and goto support for (include|import)_(role|task|playbook) for roles within available collections

[ganeshrn]

Problem

Currenlty completion and goto feature for (include|import)_(role|task|playbook) for roles within available collections is not supported

Solution

Parse available collections and it's location to reach the all the roles and playbooks within collection to support completion and goto feature.

Alternatives

No response

Additional context

No response