[install] Add top-level setup.bat and readme.txt
drwxr-xr-x - bin
-rw-r--r-- 450 build.bat
-rw-r--r-- 52 clean.bat
drwxr-xr-x - driver
drwxr-xr-x - installer
-rw-r--r-- 304 readme.txt
-rw-r--r-- 256 setup.bat