Add GARM (#183)

With the latest release of v0.2.0, GARM now [officially supports Gitea](https://github.com/cloudbase/garm/releases/tag/v0.2.0).

Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>

Reviewed-on: https://gitea.com/gitea/awesome-gitea/pulls/183
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
Co-committed-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>

README.md

@@ -95,6 +95,7 @@ Entries are grouped by maintenance status:
 - [Concourse](https://www.concourse-ci.org/) - partially can be integrated with Gitea.
 - [dex](https://github.com/dexidp/dex) - Dex is a federated OpenID Connect provider. Built-in Gitea support. `Apache-2.0` `Go`
 - [drone](https://github.com/drone/drone) - Drone is a Container-Native, Continuous Delivery Platform. Built-in Gitea support. (see [docs](https://docs.drone.io/server/provider/gitea/)) `Apache-2.0` `Go/TypeScript`
+- [GARM](https://github.com/cloudbase/garm) - Multi-cloud, auto-scaling manager for GitHub Actions & Gitea self-hosted runners with pluggable providers.
 - [ghorg](https://github.com/gabrie30/ghorg) - Quickly clone an entire org/users repositories into one directory - Supports Gitea, GitHub, GitLab, and more. `Apache-2.0` `Go`
 - [gickup](https://github.com/cooperspencer/gickup) - Backup tool for repositories. `Apache-2.0` `Go`
 - [gitea-notification-hub](https://github.com/vinnyy-afk/Gitea-Notifiction-Hub) - Receive Gitea webhooks and send personalized Slack notifications with real @mentions for PRs, issues, and comments. `AGPL-3.0` `Go`