feat: add operator (logo, name) and updownio global dashboard page

[lsagetlethias]

Done

• add operator optional property to dashlord.yml config

  type Operator = {
    /** Default direction is horizontal */
    logo: string | { src: string; direction: "horizontal" | "vertical" };
    name: string;
  };

• use title from config in html title when available
• better handling of json imports (config, report, trends)
• add .nvmrc file locked to node 14 (version used in actions)
• remove unused npm lock files as yarn is already in use
• add path mapping for DX (e.g. @/report.json, @/components/ ; but didn't refacto previous imports yet)
• add "Disponibilité" global page
  • add UpdownIoDashboard component that uses UpdownIo existing component
  • add title optional props to UpdownIo component and use it when available
  • fix alert display in UpdownIo component when no updownio report is available
  • add updownioStatusPage?: string; optional property to dashlord.yml config to be used as Panel url in "Disponibilité" page
• fix "current" state on nav links

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
0.0% Duplication

[revolunet]

nice changes thanks !

[github-actions]

🎉 This PR is included in version 1.33.0 🎉

The release is available on GitHub release

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