Breaking change: Require Redis (for v1.0.0)

[arcoraven]

• BREAKING CHANGE: Require REDIS_URL env var for v1.0.0 release. Engine will not start if this env var is unavailable.
• Update examples from Mumbai (deprecated) -> Amoy
• Fix incorrect tx status code (e.g. from reverted execution)

PR-Codex overview

The focus of this PR is to update chain IDs and names to use "80002" and "Polygon Amoy Testnet" respectively across various files.

Detailed summary

• Updated chain IDs and names to "80002" and "Polygon Amoy Testnet" respectively.
• Changed status check in processTransactionReceiptsWorker.ts to use "success" string comparison.
• Modified redis.ts to export a constant redis and handle error, connect, and reconnect events.
• Adjusted various schemas to reflect the new chain ID and name "80002" and "Polygon Amoy Testnet".

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