Add skip_mount to prevent suspicious mountpoint detections. (#179)

* Add skip_mount to prevent suspicious mountpoints.

Since the scripts and binary had it's own separate folder, we don't need to mount anything on top of overlayfs.
This prevent detection of suspicious mountpoints.
Documentation: https://topjohnwu.github.io/Magisk/guides.html#magisk-modules

* add skip_mount extraction command to customize.sh

forgot about that, silly me :P

customize.sh

@@ -54,8 +54,9 @@ fi
 # Directory creation and file extraction
 ui_print "- Create directories"
 mkdir -p /data/adb/box/ /data/adb/box/run/ /data/adb/box/bin/xclash/
-ui_print "- Extracting uninstall.sh and box_service.sh"
+ui_print "- Extracting uninstall.sh skip_mount and box_service.sh"
 unzip -j -o "$ZIPFILE" 'uninstall.sh' -d "$MODPATH" >&2
+unzip -j -o "$ZIPFILE" 'skip_mount' -d "$MODPATH" >&2
 unzip -j -o "$ZIPFILE" 'box_service.sh' -d "${service_dir}" >&2
 
 # Set permissions

skip_mount

@@ -0,0 +1 @@
+# dummy file to skip overlay mounting