Add project: prom2teams

Nobody has claimed this yet.

## Basic info

**Application name**: prom2teams
**Application repo link**: https://github.com/idealista/prom2teams
**Application home link**: Does not have
**Application description**: prom2teams is an HTTP server built with Python that receives alert notifications from a previously configured Prometheus Alertmanager instance and forwards it to Microsoft Teams using defined connectors

## Qualifications

There are a ton of great Python projects out there, but what makes an
application "Awesome™"? Please check that all of the following criteria apply:

- [x] Free software with an online source repository.
- [x] Using Python for a considerable part of their functionality.
- [x] Well-known, or at least prominently used in an identifiable niche.
- [x] Maintained or otherwise demonstrably still functional on relevant platforms.
- [x] An application, not a library or framework.

Note that installability via pip/PyPI and a developer-audience focus
may warrant a higher standard for inclusion, in keeping with the
spirit of the list:
http://sedimental.org/awesome_python_applications.html

## Additional notability info

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Described in Prometheus Official Doc: https://prometheus.io/docs/operating/integrations/#alertmanager-webhook-receiver

Described in SUSE Enterprise Storage Administration Guide: https://documentation.suse.com/ses/5.5/single-html/ses-admin/index.html#alert-webhook

Available on PyPI: https://pypi.org/project/prom2teams/

Available on DockerHub (more than 500K downloads): https://hub.docker.com/r/idealista/prom2teams

Proposed to be included in Rancher as notifier: https://github.com/rancher/rancher/issues/15802

Start with projects.yaml and review nearby project entries and their comments. Add prom2teams using the repository link, description, and relevant references from the issue; done when the project appears in the appropriate list format and the file remains valid.

Written by the indexing model from the issue text.