Add reference to text/template Go package doc
Add reference to text/template Go package doc

…since people might not be familiar with Go templates.

vaikas-google/deployment-manager,thomastaylor312/helm,SlickNik/helm,helm/helm,bacongobbler/helm,technosophos/deployment-manager,bradj/helm,rbwsam/helm,adamreese/deployment-manager,thomastaylor312/helm,technosophos/deployment-manager,adamreese/deployment-manager,adamreese/deployment-manager,adamreese/helm,technosophos/k8s-helm,adamreese/deployment-manager,technosophos/deployment-manager,fibonacci1729/helm,appscode/helm,yan234280533/helm,flynnduism/helm,bradj/helm,appscode/helm,flynnduism/helm,FengyunPan/helm,technosophos/deployment-manager,kdada/helm,qwangrepos/helm,michelleN/deployment-manager,iamzhout/helm,vaikas-google/deployment-manager,qwangrepos/helm,adamreese/helm,iamzhout/helm,sushilkm/helm,helm/helm,kdada/helm,eicnix/helm,fibonacci1729/helm,yan234280533/helm,michelleN/deployment-manager,FengyunPan/helm,eicnix/helm,bacongobbler/helm,jascott1/helm,SlickNik/helm,michelleN/deployment-manager,michelleN/deployment-manager,adamreese/deployment-manager,rbwsam/helm,jascott1/helm,sushilkm/helm,technosophos/k8s-helm,technosophos/deployment-manager