Added color picker

lib/screens/add_wool_modal.dart

@@ -1,8 +1,15 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_colorpicker/flutter_colorpicker.dart';
 import 'package:temperaturdecke/widgets/modal_wrapper.dart';
 
 class AddWoolModal extends StatelessWidget {
-  const AddWoolModal({super.key});
+  AddWoolModal({super.key});
+
+  String selectedColor = "#FFFFFF";
+
+  void setSelectedColor(Color color) {
+    selectedColor = colorToHex(color);
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -11,6 +18,16 @@ class AddWoolModal extends StatelessWidget {
         children: [
           TextField(),
           TextField(),
+          SizedBox(
+            height: 25,
+          ),
+          ColorPicker(
+            displayThumbColor: false,
+            colorPickerWidth: 200,
+            enableAlpha: false,
+            pickerColor: Colors.black,
+            onColorChanged: setSelectedColor,
+          )
         ],
       ),
       title: "Wolle hinzufügen",

lib/screens/wool.dart

@@ -25,6 +25,7 @@ class WoolScreen extends StatelessWidget {
             floatingActionButton: FloatingActionButton(
               onPressed: () {
                 showModalBottomSheet(
+                  isScrollControlled: true,
                   showDragHandle: true,
                   context: context,
                   builder: (context) {