Don't hide so many files in VS Code
Don't hide so many files in VS Code

We often need to look at the Build folder and other generated files while
debugging dev processes. We can exclude these things from search but keep
them in the directory tree.

geoscan/cesium,CesiumGS/cesium,josh-bernstein/cesium,likangning93/cesium,hodbauer/cesium,AnalyticalGraphicsInc/cesium,likangning93/cesium,AnalyticalGraphicsInc/cesium,CesiumGS/cesium,jasonbeverage/cesium,likangning93/cesium,YonatanKra/cesium,kaktus40/cesium,progsung/cesium,josh-bernstein/cesium,progsung/cesium,YonatanKra/cesium,CesiumGS/cesium,CesiumGS/cesium,soceur/cesium,YonatanKra/cesium,jasonbeverage/cesium,likangning93/cesium,hodbauer/cesium,likangning93/cesium,YonatanKra/cesium,geoscan/cesium,soceur/cesium,hodbauer/cesium,kaktus40/cesium,CesiumGS/cesium,soceur/cesium