Assign senior reviewers to new joiners

Here's an example of assigning senior reviewers ti new joiners pull requests.

apiVersion: reviewpad.com/v0.0.4

labels:
  priority:
    description: priority reviews

groups:
  gods:
    description: Group of dev gods
    kind: developers
    spec: '["torvalds"]'

  juniors:
    description: Group of devs that have created less than 10 PRs
    kind: developers
    type: filter
    param: dev
    where: $totalCreatedPRs($dev) < 10

rules:
  authoredByJunior:
    kind: author
    description: Patch is authored by a junior dev
    spec: $isMemberOf($name(), $group("juniors"))

protectionGates:
  - name: critical
    description: PRs by juniors should be reviewed by the gods
    patchRules:
      - rule: authoredByJunior
    actions:
      - $addLabel("priority")
      - $assignReviewer($group("gods"))