feat(spotlight): add project_page metadata, refactor tier metadata to strings instead of numbers

[seve]

[github-actions]

Deployment Summary

• backend_url: https://pr-6188-backend.rdev.single-cell.czi.technology
• frontend_url: https://pr-6188-frontend.rdev.single-cell.czi.technology
• delete_db_task_definition_arn: arn:aws:ecs:us-west-2:***:task-definition/dp-rdev-pr-6188-deletion:1
• migrate_db_task_definition_arn: arn:aws:ecs:us-west-2:***:task-definition/dp-rdev-pr-6188-migration:1

[codecov]

Codecov Report

Merging #6188 (5c07144) into main (6413251) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #6188   +/-   ##
=======================================
  Coverage   91.60%   91.60%           
=======================================
  Files         175      175           
  Lines       14232    14232           
=======================================
  Hits        13037    13037           
  Misses       1195     1195           

Flag	Coverage Δ
unittests	91.60% <ø> (ø)

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[hthomas-czi]

Looks great!