Added community-supported platforms to the getting started (#1654)
Added community-supported platforms to the getting started (#1654)

* Added community-supported platforms to the getting started documentation to help distinguish between supported and comunity suported platorms.check out PR#1584 for more information.

* Fixed the formating error
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* Fixed the problems that i missed the last time

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* removed extra whitespace

sehqlr/mantl,bitium/mantl,KaGeN101/mantl,CiscoCloud/microservices-infrastructure,CiscoCloud/mantl,mantl/mantl,bitium/mantl,sehqlr/mantl,CiscoCloud/microservices-infrastructure,KaGeN101/mantl,datascienceinc/mantl,mantl/mantl,datascienceinc/mantl,CiscoCloud/mantl