Create enhanced-syntax.md
Create enhanced-syntax.md

Added file to top-level guidelines for enhanced dependencies.
UniversalDependencies/docs,UniversalDependencies/docs,UniversalDependencies/docs,PhyloStar/UDTelugu,PhyloStar/UDTelugu,PhyloStar/UDTelugu,PhyloStar/UDTelugu,PhyloStar/UDTelugu,UniversalDependencies/docs,UniversalDependencies/docs,PhyloStar/UDTelugu,UniversalDependencies/docs