[Feature] Extention menu latéral / plugin side menu

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FR : Dans le cadre d'une utilisation de FreshRSS en Planet, je voudrais pouvoir l'intégrer des liens de service en temps réel (météo, infos circulation, carte radar orgages, ...)

As part of a use of FreshRSS en Planet, I would like to be able to integrate service links in real time (weather, traffic information, radar map storms, ...)

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FR : Pouvoir créer un menu liens laterale

Be able to create a sidelinks menu

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Bidouiller le code / Hack ze code

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