Replit — Generic webhook receiver with signature verification

# Generic webhook receiver with signature verification

## Stack
Whatever the template says (Node/Python/Go). Optimized for Replit's always-on.

## Setup
1. Add required secrets to Replit secrets (tokens, API keys).
2. Click Run.
3. For bots, register with the provider (Discord, Telegram, Slack) and add the bot to your server/workspace.
4. Enable Always-On if you need persistence.

## Structure
- index.(ts|py|go) — entry point
- lib/ — shared code
- tests/ — smoke tests
- README.md — how to deploy

## Ship checklist
- [ ] Secrets configured
- [ ] Always-on enabled if needed
- [ ] Basic logging in place
- [ ] A handful of smoke tests