In Taiwan's chip capital, the real boom is babies.Lam Yik Fei/Bloomberg via Getty ImagesHsinchu bucks Taiwan's baby bust as tech salaries help young families put down roots.In the chip capital, high salaries and job security are making parenting possible — for some.Prosperity is splitting the city into winners and shutouts."The most lucrative industry in Hsinchu isn't chips. It's kindergartens," a Taiwanese friend quipped when I mentioned my tri…