added splashscreen, login and add hp number pages

lib/app/themes/app_text.dart

@@ -0,0 +1,44 @@
+import 'package:flutter/material.dart';
+
+import 'app_colors.dart';
+
+const regularTextStyle = TextStyle(
+    fontFamily: 'Arial',
+    fontSize: 14,
+    fontWeight: FontWeight.w400,
+    color: fontColor);
+
+const italicTextStyle = TextStyle(
+  fontFamily: 'Arial',
+  fontSize: 14,
+  color: fontColor,
+  fontStyle: FontStyle.italic,
+);
+
+const mediumTextStyle = TextStyle(
+  fontFamily: 'Arial',
+  fontSize: 14,
+  fontWeight: FontWeight.w500,
+  color: fontColor,
+);
+
+const semiBoldTextStyle = TextStyle(
+  fontFamily: 'Arial',
+  fontSize: 14,
+  fontWeight: FontWeight.w600,
+  color: fontColor,
+);
+
+const boldTextStyle = TextStyle(
+  fontFamily: 'Arial',
+  fontSize: 14,
+  fontWeight: FontWeight.w700,
+  color: fontColor,
+);
+
+const extraBoldTextStyle = TextStyle(
+  fontFamily: 'Arial',
+  fontSize: 14,
+  fontWeight: FontWeight.w800,
+  color: fontColor,
+);