Initial commit: TimeReg Flutter app med Firebase backend

- Opprettet Flutter-prosjekt med alle nødvendige avhengigheter
- Implementert datamodeller (User, TimeRegistration, TariffProfile, Deviation, AuditLog)
- Implementert tjenester (AuthService, TimeService)
- Implementert Riverpod providers for state management
- Opprettet autentiseringsskjermer (login, signup, reset password)
- Opprettet hjemmeskjerm med timer-funksjonalitet
- Opprettet placeholder-skjermer for historikk, rapporter og profil
- Lagt til norsk dokumentasjon i README

macos/Flutter/Flutter-Debug.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "ephemeral/Flutter-Generated.xcconfig"

macos/Flutter/Flutter-Release.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "ephemeral/Flutter-Generated.xcconfig"

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -0,0 +1,26 @@
+//
+//  Generated file. Do not edit.
+//
+
+import FlutterMacOS
+import Foundation
+
+import cloud_firestore
+import firebase_auth
+import firebase_core
+import firebase_messaging
+import firebase_storage
+import flutter_local_notifications
+import path_provider_foundation
+import share_plus
+
+func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FLTFirebaseFirestorePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseFirestorePlugin"))
+  FLTFirebaseAuthPlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseAuthPlugin"))
+  FLTFirebaseCorePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseCorePlugin"))
+  FLTFirebaseMessagingPlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseMessagingPlugin"))
+  FLTFirebaseStoragePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseStoragePlugin"))
+  FlutterLocalNotificationsPlugin.register(with: registry.registrar(forPlugin: "FlutterLocalNotificationsPlugin"))
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
+  SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))
+}