Implement an AI Advisor

[scottchen98]

This pull request introduces several significant changes, including the addition of a new AI advisor feature, updates to the rewards page, and enhancements to the messaging system. The most important changes are summarized below:

AI Advisor Feature:

• Added a new AdvisorChatbot component that allows users to interact with an AI advisor. This includes setting up the chat interface, handling message sending, and displaying messages. (app/(tabs)/ai-advisor.tsx)
• Updated TabLayout to include the new AI advisor tab with an appropriate icon. (app/(tabs)/_layout.tsx) [1] [2]

Rewards Page Enhancements:

• Refactored the rewards page to fetch and display rewards dynamically, including a search functionality to filter rewards. (app/(tabs)/rewards.tsx) [1] [2]
• Updated the single reward page to fetch reward details dynamically and display additional information such as images and legal disclosures. (app/rewards/[id].tsx) (app/rewards/[id].tsxL1-R98)

Messaging System Improvements:

• Added new queries and mutations for handling messages, including fetching messages by thread ID and sending messages. (convex/messages.ts)
• Updated the schema to include new tables for messages and threads, with appropriate indexing. (convex/schema.ts)

UI and Styling Updates:

• Introduced a new CSS file for styling the reward descriptions and links. (app/rewards/dom-content.css)
• Enhanced the Input component to use a consistent font family across the application. (components/ui/input.tsx) [1] [2]

These changes collectively improve the functionality and user experience of the application, particularly with the introduction of the AI advisor and the dynamic handling of rewards.- add Bot icon