Update Bartering Minigame & UI

Update the bartering minigame to reflect the designs in the [Bartering Design Doc](https://docs.google.com/document/d/116tXq7nATRCN6D1I6JMg2w5Kv5iPR5TD412yGppsvuQ/edit?usp=sharing) and [UI Figma](https://www.figma.com/design/20gnE1YNFdm5Syun3w4azV/UI-Mock-Ups?node-id=0-1&t=3E5yvL125ArBK846-1).
Brief summary:

Add bartering stages:
- Initiate a barter segment
- [ Already implemented ] Offer items (Add already seen effect cards having pre-activation)
- Go through each effect card (Flipping and activating if triggered by offered items)
- Add hit effect to cards
- Change values
- Show end screen result, must press exit button

Other things:
- Move text box of NPC