add comments with giscus.app

[Kariton]

closes: #178

[sonarqubecloud]

Quality Gate failed

Failed conditions
8.0% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud

[Kariton]

config example:

params:
  giscus:
    enable: true
    repo: USER/REPO
    repo_id: ID
    category: "category"
    category_id: ID
    mapping: "pathname"
    strict: true
    reactions_enabled: true
    emit_metadata: false
    input_position: "top"
    theme: "preferred_color_scheme"
    loading: "lazy"

[Kariton]

to disable giscus on a page bases add this to frontmatter:

disableGiscus: true