Add React IndicatorPanel and Indicator components

[aneilbaboo]

Adds support for the IndicatorPanel and Indicator backend smart-report tags.

Plus other changes:

• Add attribute checks in GeneMap smart-report component

• Handle missing variantCall state using IndicatorPanel require attribute

  • add chrna5 seed data
  • test all states of the indicator with mthfr and chrna5
  • if require attribute value is false, show indicator as "unknown"
  • add test for location-only variantCall syntax: NC_0000001.11:g.123123

• Upgrade to latest smart-report 1.3.1

• Add yarn seed script - provides help