Update index.md
Update index.md

Link to UD 2.0 in Lindat (a bit in advance – it won't work until the release is approved at Lindat).
UniversalDependencies/docs,PhyloStar/UDTelugu,PhyloStar/UDTelugu,UniversalDependencies/docs,PhyloStar/UDTelugu,PhyloStar/UDTelugu,UniversalDependencies/docs,UniversalDependencies/docs,PhyloStar/UDTelugu,UniversalDependencies/docs,UniversalDependencies/docs,PhyloStar/UDTelugu