docs(nc2): add solution document for Nutanix NC2 with Google Cloud#310

mbntnx wants to merge 3 commits intoGoogleCloudPlatform:mainGoogleCloudPlatform/cloud-solutions:mainfrom

mbntnx:Nutanix-NC2-GC-solutiondoc-1stpubmbntnx/cloud-solutions-gc-mbntnx:Nutanix-NC2-GC-solutiondoc-1stpubCopy head branch name to clipboard