[Components] countly

# countly
## URLs
- https://api.count.ly/reference/rest-api-reference
## Polling Sources
### user-engagement-events
#### Prompt
Emit new user engagement events (e.g., session start, custom events, views) from Countly in real time to monitor behavior and trigger workflows.
### crash-report-events
#### Prompt
Emit new crash reports from Countly to track app stability and trigger alerts or remediation workflows.
## Actions
### send-push-notification
#### Prompt
Send a targeted push notification (text, image, or video) to iOS or Android users via Countly, with support for deep links, batch messaging, and scheduling.
### track-campaign-performance
#### Prompt
Track campaign performance by logging clicks, installs, downloads, and revenue using a unique campaign URL in Countly.

Start with the Countly REST API reference linked in the issue and map the requested polling sources and actions to available endpoints. Done means supporting real-time user-engagement and crash-report events, plus targeted push notifications and campaign-performance tracking as described.

Written by the indexing model from the issue text.