chore(database): Use Drizzle ORM

[GalvinPython]

To make managing the database easier, we're going to implement Drizzle ORM.

reason for changes and list etc. will be soon

[Copilot]

Pull Request Overview

This PR implements Drizzle ORM to replace the existing database implementation, transitioning from raw PostgreSQL queries to a type-safe ORM solution. The changes include restructuring database schema definitions, updating all database operations to use Drizzle, and migrating configuration management for database connections.

• Complete database layer rewrite from raw PostgreSQL to Drizzle ORM
• Restructured database schema with proper TypeScript type inference
• Updated all database operations and queries throughout the application

Reviewed Changes

Copilot reviewed 32 out of 37 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
src/db/schema.ts	New Drizzle schema definitions replacing raw SQL table creation
src/db/youtube.ts	Rewritten YouTube database operations using Drizzle ORM
src/db/twitch.ts	Rewritten Twitch database operations using Drizzle ORM
src/db/discord.ts	Rewritten Discord database operations using Drizzle ORM
src/utils/youtube/fetchLatestUploads.ts	Updated to use new Drizzle-based database functions
src/utils/twitch/checkIfStreamerIsLive.ts	Updated to use new Drizzle-based database functions
src/config.ts	Simplified database configuration to use connection URLs
package.json	Added Drizzle ORM dependencies and migration scripts

Comments suppressed due to low confidence (1)

src/utils/youtube/fetchLatestUploads.ts:147

• [nitpick] The variable name updateSuccess is not descriptive enough. Consider renaming it to updateResult or videoUpdateResult to better reflect that it contains both success status and potentially other data.

                const updateSuccess = await youtubeUpdateVideoId(