feat: 添加 Magisk v30.2 自动下载和提取功能，更新 init 服务配置，改进二进制文件提取逻辑，并新增 README 文档说明项目结构和使用方法。

magisk.rc

@@ -3,25 +3,29 @@
 on post-fs-data && property:ro.boot.redroid_magisk=1
     start logd
     chmod 0755 /vendor/etc/init/magisk/magisk64
+    chmod 0755 /vendor/etc/init/magisk/magisk32
+    chmod 0755 /vendor/etc/init/magisk/magiskinit
+    chmod 0755 /vendor/etc/init/magisk/magiskboot
     chmod 0755 /vendor/etc/init/magisk/magiskpolicy
+    chmod 0755 /vendor/etc/init/magisk/busybox
     exec u:r:su:s0 root root -- /vendor/etc/init/magisk/magisk64 --setup-sbin /vendor/etc/init/magisk
     exec u:r:su:s0 root root -- /vendor/etc/init/magisk/magiskpolicy --live --magisk "allow * magisk_file lnk_file *"
     mkdir /sbin/.magisk 700
     mkdir /sbin/.magisk/mirror 700
     mkdir /sbin/.magisk/block 700
     rm /dev/.magisk_unblock
-    start 7zKkuZ1ZhD
+    start magisk_post_fs_data
     wait /dev/.magisk_unblock 40
     rm /dev/.magisk_unblock
-    start wHgGlkRCtMoIQw
+    start magisk_service
 
-service 7zKkuZ1ZhD /sbin/magisk --post-fs-data
+service magisk_post_fs_data /sbin/magisk --post-fs-data
     user root
     seclabel u:r:su:s0
     oneshot
     disabled
 
-service wHgGlkRCtMoIQw /sbin/magisk --service
+service magisk_service /sbin/magisk --service
     user root
     seclabel u:r:su:s0
     oneshot