Add a root .gitattributes pinning *.sh to LF so shell scripts stay
executable after a checkout on Windows with autocrlf enabled; without
it every .sh lands in the working tree as CRLF and fails when run
under WSL/bash.
Also ignore tauri-plugin-vpnservice/android/.gradle, which Gradle
regenerates on every sync.
Co-authored-by: bright <nako_ruru@sina.com>
nako-ruru