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/forms/PropSelect.tsx

@@ -2,7 +2,7 @@ import { FormControl, InputLabel, MenuItem, Select } from "@mui/material";
 import { PropEdit } from "./PropEdit";
 
 export interface SelectOption {
-  value: string;
+  value: string | undefined;
   label: string;
 }
 
@@ -19,6 +19,7 @@ export function PropSelect(p: {
     const value = p.options.find((o) => o.value === p.value)?.label;
     return <PropEdit label={p.label} editable={p.editing} value={value} />;
   }
+
   return (
     <FormControl fullWidth variant="filled" style={{ marginBottom: "15px" }}>
       <InputLabel>{p.label}</InputLabel>