Add swap Usage

Registered by Gabriel Lopez

Add swap usage in a new sensor in percent and GB, like this
{swap//bytes}
{swap//percent}
The last one is the default

Blueprint information

Status:
Not started
Approver:
Alex Eftimie
Priority:
Medium
Drafter:
Gabriel Lopez
Direction:
Needs approval
Assignee:
Gabriel Lopez
Definition:
Approved
Series goal:
None
Implementation:
Unknown
Milestone target:
None

Sprints

Whiteboard

(?)

Work Items

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