Added services built by community

Hi,
After discussion with Slavi ([link to private chat](https://matrix.to/#/!GWNJzoHiCybWdouIiP:etke.cc/$_XpK8-ucbWvxY667IVZ9ROZPqSVkG2UGglNagrbDQmw?via=etke.cc&via=devture.com)), we agreed on adding services that use matrix-docker-ansible-deploy as a core to list in README file.

@GoMatrixHosting could you approve the description is correct, please? (Sorry, I just put what I know about your service)

README.md

@@ -129,3 +129,8 @@ When updating the playbook, refer to [the changelog](CHANGELOG.md) to catch up w
 - IRC channel: `#matrix-docker-ansible-deploy` on the [Freenode](https://freenode.net/) IRC network (irc.freenode.net)
 
 - Github issues: [spantaleev/matrix-docker-ansible-deploy/issues](https://github.com/spantaleev/matrix-docker-ansible-deploy/issues)
+
+## Services by community
+
+- [etke.cc](https://etke.cc) - matrix-docker-ansible-deploy and system stuff "as a service". That service will create your matrix homeserver on your domain and server (doesn't matter if it's cloud provider or on old laptop in the corner of your room), (optional) maintains it (server's system updates, cleanup, security adjustments, tuning, etc.; matrix homeserver updates & maintainance) and (optional) provide full-featured email service for your domain
+- [GoMatrixHosting](https://gomatrixhosting.com) - matrix-docker-ansible-deploy "as a service" with [Ansible AWX](https://github.com/ansible/awx). That service provides you a friendly interface to create your matrix homeserver on your domain