added duf and nginx and some refactor

scripts/lm_sensors.sh

@@ -12,7 +12,4 @@ lm_sensors() {
     git clone https://github.com/lm-sensors/lm-sensors.git
     cd lm-sensors
     make CC=$CROSS_COMPILE-gcc PREFIX=/usr DESTDIR=$rootfspath install -j$(nproc)
-    # rm -rf $rootfspath/usr/man $rootfspath/usr/include
-    # find $rootfspath -type f -name "*.a" -delete
-    # ${CROSS_COMPILE}-strip $rootfspath/usr/bin/* $rootfspath/usr/lib/* $rootfspath/usr/sbin/*
 }