Add more options/data to Withings plugin

[DavidOrtmann]

User asks for more options in the Withings plugin to show more/different data and graphs:

• Lean Mass
• BMI
• Muscle
• Fat
• Bone (optional)
• Water (optional)

Conversation: https://app.intercom.com/a/inbox/v9ws3u2x/inbox/admin/8768486/conversation/215470992754549?view=List

[ryanckulp]

do we want multiple line series (perhaps user chooses 2-3 from your list), or is this 1 vs the other?

Shopify is an example of 2-series:
https://usetrmnl.com/plugins/shopify

[ryanckulp]

Steps and Sleep are now available for compatible Withings devices. demo here (requires login):
https://usetrmnl.com/plugins/withings?variant=wearable