[FE] Genetics Variant page: Page blueprint (define metadata)

[carcruz]

Todo:

• [x] Create a blanc Variant page
• Header
  • [x] Entity id
  • [x] external ref
• [x] Left column metadata
  • Location
  • Insilico predictors
• [x] Population column
  • POC visualisation ideas

Data:

• Location
• Insilico predictors
• Population (Visualisation)

[carcruz]

Done as the page blueprint has been built in the ot-variant-page branch