Created project base structure, state management, router and login

lib/constants/colors.dart

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+import 'package:flutter/material.dart';
+
+import 'package:my_linkding/constants/linkding_color.dart';
+
+const List<MaterialColor> colors = [
+  linkdingColor,
+  Colors.red,
+  Colors.green,
+  Colors.blue,
+  Colors.yellow,
+  Colors.orange,
+  Colors.brown,
+  Colors.cyan,
+  Colors.purple,
+  Colors.pink,
+  Colors.deepOrange,
+  Colors.indigo,
+];

lib/constants/enums.dart

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+enum LoadStatus { loading, loaded, error }
+
+enum ConnectionMethod { http, https }

lib/constants/global_keys.dart

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+import 'package:flutter/material.dart';
+
+final scaffoldMessengerGlobalKey = GlobalKey<ScaffoldMessengerState>();

lib/constants/linkding_color.dart

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+import 'package:flutter/material.dart';
+
+const Map<int, Color> swatch = {
+  50: Color.fromRGBO(87, 85, 217, .1),
+  100: Color.fromRGBO(87, 85, 217, .2),
+  200: Color.fromRGBO(87, 85, 217, .3),
+  300: Color.fromRGBO(87, 85, 217, .4),
+  400: Color.fromRGBO(87, 85, 217, .5),
+  500: Color.fromRGBO(87, 85, 217, .6),
+  600: Color.fromRGBO(87, 85, 217, .7),
+  700: Color.fromRGBO(87, 85, 217, .8),
+  800: Color.fromRGBO(87, 85, 217, .9),
+  900: Color.fromRGBO(87, 85, 217, 1),
+};
+
+const MaterialColor linkdingColor = MaterialColor(0xff5755d9, swatch);

lib/constants/regexp.dart

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+class Regexps {
+  static final url =
+      RegExp(r'/https?:\/\/(?:www\.)?([-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b)*(\/[\/\d\w\.-]*)*(?:[\?])*(.+)*/gi');
+  static final ipAddress = RegExp(r'^((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)(\.(?!$)|$)){4}$');
+  static final domain = RegExp(r'^(([a-z0-9|-]+\.)*[a-z0-9|-]+\.[a-z]+)$');
+}