Replace app-side includes of <debug.h> with <nuttx/debug.h> to use the
header from the NuttX tree explicitly after the header move.
Signed-off-by: Piyush Patle <piyushpatle228@gmail.com>
Add netlib_check_httpconnectivity() to verify HTTP service connectivity by sending GET request and validating status code.
Signed-off-by: meijian <meijian@xiaomi.com>