chore: import upstream snapshot with attribution

integrations/hunter/hub.md

@@ -0,0 +1,39 @@
+# Hunter Integration
+
+## Overview
+
+Connect your Botpress chatbot to [Hunter.io](https://hunter.io/), a leading platform for finding and managing professional email leads.
+
+This integration allows your bot to interact with Hunter’s API to manage your lead database efficiently.
+
+## Key Features
+
+- Manage your leads directly from your bot
+- Retrieve or update existing lead information
+- Add new leads to your Hunter account
+
+## Use Cases
+
+- **Lead Management** – Centralize lead creation and updates directly from your chatbot
+- **CRM Automation** – Automatically push new user information to Hunter
+- **Sales Operations** – Keep your Hunter database clean and up to date
+
+# Configuration
+
+You need a **Hunter API key** to authenticate the integration.
+
+1.  Go to your [Hunter dashboard](https://hunter.io/dashboard).
+2.  Navigate to **API** → copy your **API key**.
+3.  In Botpress, open the Hunter integration settings and paste your API key.
+
+Once saved, your bot will be able to perform operations via Hunter’s API.
+
+## Limitations
+
+- Only lead management endpoints are currently supported
+- Email verification, campaign management, and domain search are not yet implemented
+- Standard [Hunter API rate limits](https://hunter.io/api-documentation/v2) apply
+
+# Changelog
+
+- **1.0.0** – Initial release with lead management (list, retrieve, create, update, create/update, delete)