v0.0.48

• improve: simplify the code to remove "/sdcard/..5.u.S"
• refactor: customize.sh
• refactor: post-fs-data.sh
• refactor: post-mount.sh
• refactor: service.sh
• refactor: boot-completed.sh
• update: uninstall.sh, utils.sh and script.js
• update: .gitignore
• improve: add "#!/system/bin/sh" and format code
• improve: code quality, bug fixes, logs, format code, use "#!/bin/bash"
• improve: sync with upstream (ksu_module_susfs)
• improve: my implementation to remove "..5.u.S"
• release: v0.0.48

Full Changelog: v0.0.47...v0.0.48