Build “Confirmation of subscription” screen

Includes UI buttons for:

• Message
• Name of tariff
• Cost
• Button to continue
• Button to cancel

📋 Acceptance Criteria

✅ What to consider:

• Each button should perform or trigger a specific action (e.g., open modal, request confirmation, etc.).

✅ Acceptance Criteria (AC):

• GIVEN the user opens the Profile screen

• WHEN the screen loads

• THEN they see buttons: "Change name", "Delete account", and "Manage subscriptions"

• GIVEN the user clicks "Change name"

• WHEN the form appears

• THEN they can enter and submit a new name

• GIVEN the user clicks "Delete account"

• WHEN a confirmation is required

• THEN the user must confirm before the account is deleted

• GIVEN the user clicks "Manage subscriptions"

• WHEN the screen loads

• THEN available plans or current subscription is displayed

✅ Please check the Definition of Done before moving this issue to Close.