Add references to ProcessMaker to README.md file

[tdondich]

Let's add some text to the README to state that Nayra is part of the ProcessMaker Open Source BPM Suite written using Nayra on top of Laravel and is a performance fully featured BPM system. Link to the repository. Also provide a link to the processmaker website to show if they're interested in commercial offerings, to contact us.

Will have someone from our marketing group provide more details on the text to provide in this ticket.

[velkymx]

This has been passed on to Marketing to handle the copy changes. I've also touched base with documentation. Will update ASAP

[mattmclaren]

ProcessMaker Nayra is the 100% BPMN 2.0 compliant workflow engine that powers the ProcessMaker business process management (BPM) platform, built on top of the popular Laravel PHP framework. The ProcessMaker platform is open source, using the Nayra project on top of Laravel to deliver a highly performant, full-featured BPM product.

ProcessMaker can also be extended beyond its core open source offering with enterprise functionality by deploying Laravel Packages on demand. Use Nayra in your own projects to build your own complex workflow capabilities. To learn more about our enterprise offerings, contact us here.