Tweak feedback wording (#273)

Also switch to 5 options, and wider buttons.

![Screenshot 2025-03-27 at 16 24
06](https://github.com/user-attachments/assets/262d21f4-bf31-4dd6-8b8c-b06a09afcd9c)

Author: frankieroberto

app/assets/sass/components/_button.scss

@@ -22,6 +22,10 @@
   }
 }
 
+.app-button--min-width {
+  min-width: 80px;
+}
+
 
 .app-button--loading {
   position: relative;

app/views/_feedback-panel.html

@@ -10,28 +10,45 @@ <h2 class="app-feedback-panel__title">You’ve just recorded your 5th vaccinatio
 
 
     <fieldset class="nhsuk-fieldset">
-      <legend class="nhsuk-fieldset__legend nhsuk-u-margin-bottom-4">How have you found using this service?</legend>
+      <legend class="nhsuk-fieldset__legend nhsuk-u-margin-bottom-4">How was your experience of recording vaccinations?</legend>
 
       <div class="app-button-group nhsuk-u-margin-bottom-0">
+
+        {{ button({
+          text: "Very easy",
+          classes: "app-button--outlined app-button--small app-button--min-width",
+          attributes: {
+            "data-thanks": "Thank you. Do you want to tell us more?"
+          }
+        }) }}
+
         {{ button({
           text: "Easy",
-          classes: "app-button--outlined app-button--small",
+          classes: "app-button--outlined app-button--small app-button--min-width",
           attributes: {
             "data-thanks": "Thank you. Do you want to tell us more?"
           }
         }) }}
 
         {{ button({
           text: "Ok",
-          classes: "app-button--outlined app-button--small",
+          classes: "app-button--outlined app-button--small app-button--min-width",
+          attributes: {
+            "data-thanks": "Thank you. Do you want to tell us more?"
+          }
+        }) }}
+
+        {{ button({
+          text: "Difficult",
+          classes: "app-button--outlined app-button--small app-button--min-width",
           attributes: {
             "data-thanks": "Thank you. Do you want to tell us more?"
           }
         }) }}
 
         {{ button({
-          text: "Hard",
-          classes: "app-button--outlined app-button--small",
+          text: "Very difficult",
+          classes: "app-button--outlined app-button--small app-button--min-width",
           attributes: {
             "data-thanks": "Thank you. Do you want to tell us more?"
           }