Add safety card (#84)

* add safety card

* Rename 'Safety Card' to 'Safety Cards'

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Co-authored-by: Warix <39554785+warix8@users.noreply.github.com>

Author: Rotheem

links.yaml

@@ -95,6 +95,11 @@ Services d'ÉCLAIR:
     icon: pixels.svg
     url: https://piwigo.myecl.fr
 
+  - name: Safety Cards
+    description: Site de prévention relatif aux risques de la vie étudiante
+    icon: safetycard.png
+    url: https://prevention.myecl.fr
+
   - name: Centralassociation
     description: Agrégateur de lien associatif d'ÉCLAIR
     icon: centralassociation.svg