add redux in csc

sae-csc/src/app/redux/initialState.ts

@@ -0,0 +1,18 @@
+// Define initial state
+import {StateInterface} from './reducers';
+
+
+export const initialState: StateInterface = {
+  app: {
+    backendAPIRoot: "",
+    demoMode: true, // selon l'environnement
+  },
+  currentLang: "fr_FR",
+  currentTheme: "light",
+  langsList: ["fr_FR", "en_US"],
+  themesList: ["light", "dark"],
+  user: {
+    isAuthenticated: false,
+    id: "",
+  },
+};