updated gitignore to ignore files created by local python installation (#2061)
updated gitignore to ignore files created by local python installation (#2061)

* updated gitignore to ignore files created by local python installation

* moved sections around in gitignore

microsoft/LightGBM,henry0312/LightGBM,henry0312/LightGBM,microsoft/LightGBM,microsoft/LightGBM,henry0312/LightGBM,henry0312/LightGBM,henry0312/LightGBM,microsoft/LightGBM,microsoft/LightGBM