feat(integrations/canny): added canny integration (botpress#14194)

Author: tjklint

integrations/canny/hub.md

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+This integration provides comprehensive access to Canny's API for managing posts and comments in your feature request boards.
+
+# Features
+
+## Actions
+
+**Post Management:**
+
+- **Create Post**: Create new posts in your Canny boards
+- **Get Post**: Retrieve detailed information about a specific post
+- **List Posts**: List posts with filtering and pagination options
+- **Update Post**: Modify existing posts (title, details, ETA, etc.)
+- **Delete Post**: Remove posts from your boards
+
+**Comment Management:**
+
+- **Create Comment**: Add comments to posts
+- **Get Comment**: Retrieve comment details
+- **List Comments**: List comments with filtering options
+- **Delete Comment**: Remove comments
+
+## Channels
+
+**Posts Channel:**
+
+- Handles conversations where posts are the main topic and comments are replies
+- When users send messages in conversations, they're automatically created as comments on the associated post
+
+## Events
+
+**Webhook Support:**
+
+- Automatically creates conversations when new posts are created in Canny
+- Adds messages to conversations when new comments are posted
+- The first message in each conversation is the post content, and subsequent messages are comments
+
+# Configuration
+
+To use this integration, you'll need:
+
+1. **API Key**: Your Canny API key (get this from your Canny account settings)
+
+# Author ID
+
+Posts and comments will appear as "Botpress" unless you provide a specific `authorId`.
+
+To use a different author, provide an `authorId` of an existing user in your Canny workspace. You can find available user Ids using the "List Users" action.
+
+# Usage Examples
+
+## Setting up Webhooks
+
+Configure webhooks in your Canny account to point to your Botpress integration endpoint to automatically sync posts and comments as conversations.
+
+# Conversation Flow
+
+1. **Post Creation**: When a new post is created in Canny, a new conversation is started in Botpress
+2. **Comment Replies**: When users reply in the conversation, new comments are created on the original post
+3. **Thread Management**: Each post becomes a conversation thread with comments as messages