Temporarily enable dark theme

geneit_app/src/App.tsx

@@ -1,7 +1,10 @@
+import { ThemeProvider, createTheme } from "@mui/material/styles";
 import React from "react";
 import { Route, Routes } from "react-router-dom";
 import "./App.css";
 import { AuthApi } from "./api/AuthApi";
+import { DeleteAccountRoute } from "./routes/DeleteAccountRoute";
+import { FamiliesListRoute } from "./routes/FamiliesListRoute";
 import { NotFoundRoute } from "./routes/NotFound";
 import { ProfileRoute } from "./routes/ProfileRoute";
 import { LoginRoute } from "./routes/auth/LoginRoute";
@@ -9,12 +12,10 @@ import { NewAccountRoute } from "./routes/auth/NewAccountRoute";
 import { OIDCCbRoute } from "./routes/auth/OIDCCbRoute";
 import { PasswordForgottenRoute } from "./routes/auth/PasswordForgottenRoute";
 import { ResetPasswordRoute } from "./routes/auth/ResetPasswordRoute";
-import { BaseAuthenticatedPage } from "./widgets/BaseAuthenticatedPage";
-import { BaseLoginPage } from "./widgets/BaseLoginpage";
-import { DeleteAccountRoute } from "./routes/DeleteAccountRoute";
-import { FamiliesListRoute } from "./routes/FamiliesListRoute";
-import { BaseFamilyRoute } from "./widgets/BaseFamilyRoute";
 import { FamilyHomeRoute } from "./routes/family/FamilyHomeRoute";
+import { BaseAuthenticatedPage } from "./widgets/BaseAuthenticatedPage";
+import { BaseFamilyRoute } from "./widgets/BaseFamilyRoute";
+import { BaseLoginPage } from "./widgets/BaseLoginpage";
 
 interface AuthContext {
   signedIn: boolean;
@@ -23,6 +24,12 @@ interface AuthContext {
 
 const AuthContextK = React.createContext<AuthContext | null>(null);
 
+const darkTheme = createTheme({
+  palette: {
+    mode: "dark", // TODO : switch back to light
+  },
+});
+
 /**
  * Core app
  */
@@ -35,6 +42,7 @@ export function App(): React.ReactElement {
   };
 
   return (
+    <ThemeProvider theme={darkTheme}>
       <AuthContextK.Provider value={context}>
         <Routes>
           <Route path="delete_account" element={<DeleteAccountRoute />} />
@@ -64,6 +72,7 @@ export function App(): React.ReactElement {
           )}
         </Routes>
       </AuthContextK.Provider>
+    </ThemeProvider>
   );
 }