feat: wip plan view, and component numeric pad

lib/application/component/button/back_button_view.dart

@@ -2,10 +2,10 @@ import 'package:cims_apps/application/theme/color_palette.dart';
 import 'package:cims_apps/core/utils/size_config.dart';
 import 'package:flutter/material.dart';
 
-class ButtonBack extends StatelessWidget {
+class BackButtonView extends StatelessWidget {
   final EdgeInsets? margin;
   final void Function()? onPress;
-  const ButtonBack({super.key, this.margin, this.onPress});
+  const BackButtonView({super.key, this.margin, this.onPress});
 
   @override
   Widget build(BuildContext context) {
@@ -16,7 +16,7 @@ class ButtonBack extends StatelessWidget {
           style: IconButton.styleFrom(
               backgroundColor: Colors.white,
               shape: const CircleBorder(
-                side: BorderSide(color: ColorPalette.slate200)
+                  side: BorderSide(color: ColorPalette.slate200)
               )
           ),
           onPressed: onPress ?? () => Navigator.pop(context),