#13 persist authentication

[dj-256]

• Persist authentication
  • Install @capacitor/preferences for native device preferences access
  • New preferences.js file with setPreference and getPreference functions
  • New hooks.js file with useUser and useUserInfo hooks to get data from preferences
  • Add redirection to "/app" for "/onboarding" if the user is logged in
  • Remove userInfo global state
  • Remove AppContext
  • Rename checkToken into checkTokenAndFetchUser in auth.js
  • Remove platform, token and url from function arguments and get them directly from Capacitor
  • Use React query mutation to log user in, in CheckQRCodeScreen.jsx
  • Add constants for preferences
  • Use history.replace in LoginOkScreen.jsx
  • Activate checkJs in tsconfig.json and fix typing
• New custom hooks
  • Put QueryClientProvider in main.jsx
  • New constant QUERY_KEYS
  • New useSearchCandidates and useFetchSources hooks
• Skip onboarding in dev mode
  • New config.js file
  • New env.d.ts file to fix tslint for vite env
  • New useSkipOnboarding hook to automatically skip onboarding if the configuration allows it
  • Use useSkipOnboarding hook in App.jsx