Add an accommodations reservations module (#188)

Add a new module to enable accommodations reservation

![](https://gitea.communiquons.org/attachments/de1f5b12-0a93-40f8-b29d-97665daa6fd5)

Reviewed-on: #188

geneit_app/src/widgets/FamilyCard.tsx

@@ -2,10 +2,14 @@ import { Alert, Card } from "@mui/material";
 import { PropsWithChildren } from "react";
 
 export function FamilyCard(
-  p: PropsWithChildren<{ error?: string; success?: string }>
+  p: PropsWithChildren<{
+    error?: string;
+    success?: string;
+    style?: React.CSSProperties | undefined;
+  }>
 ): React.ReactElement {
   return (
-    <Card style={{ margin: "10px auto", maxWidth: "450px" }}>
+    <Card style={{ ...p.style, margin: "10px auto", maxWidth: "450px" }}>
       {p.error && <Alert severity="error">{p.error}</Alert>}
       {p.success && <Alert severity="success">{p.success}</Alert>}