README.md: added "a practical example" section
README.md: added "a practical example" section

saim80/GRMustache,lumoslabs/GRMustache,gamechanger/GRMustache,lumoslabs/GRMustache,sdonly/GRMustache,lumoslabs/GRMustache,ipmobiletech/GRMustache,gamechanger/GRMustache,groue/GRMustache,sdonly/GRMustache,saim80/GRMustache,groue/GRMustache,ThesaurusSoftware/GRMustache,ThesaurusSoftware/GRMustache,mz2/GRMustache,samdeane/GRMustache,mz2/GRMustache,ipmobiletech/GRMustache,samdeane/GRMustache,ipmobiletech/GRMustache,mz2/GRMustache,saim80/GRMustache,samdeane/GRMustache,groue/GRMustache,sdonly/GRMustache,ThesaurusSoftware/GRMustache