Add a PagerTree notification service
Add a PagerTree notification service: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). We'd like Apprise to be able to send alerts to PagerTree (https://pagertree.com) through its webhook integration API. Please add a new notification service that is reachable with…
The task
We'd like Apprise to be able to send alerts to [PagerTree](https://pagertree.com) through its webhook integration API. Please add a new notification service that is reachable with the `pagertree://` URL scheme and behaves as described below.
Part of FineEnvs/MiMo-V2.6-RL-harbor-code.