Final prep for V2

[GalvinPython]

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[Copilot]

Pull Request Overview

This PR prepares the codebase for V2 by adding database migration functionality, introducing staging environment support, and implementing a new /updates command for bot update notifications.

• Adds comprehensive database migration from SQLite to PostgreSQL
• Introduces staging environment configuration for safer production deployments
• Implements new /updates command for managing bot update notifications in Discord channels

Reviewed Changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/db/schemaSqlite.ts	Defines SQLite schema for migration source data
src/db/resetStagingDatabase.ts	Provides staging database reset functionality
src/db/migratedb.ts	Implements complete database migration logic from SQLite to PostgreSQL
src/db/discord.ts	Adds functions for managing bot update subscription channels
src/config.ts	Adds staging mode support and environment configuration
src/commands.ts	Implements new /updates command and fixes streamer name display
package.json	Adds new scripts for staging database operations and migration
drizzle.config.ts	Extends database configuration to support staging environment
.env.example	Documents new staging database URL requirement

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