Fix directory permissions for /usr/share folder

[hertg]

Should be 755 not 644 to allow directory listing. It only works now because the binary is run as root with CAP_DAC_READ_SEARCH. Related to #102.

egpu-switcher/internal/service/systemd.go

Line 106 in 13b8a06

if err := os.MkdirAll(filepath.Dir(sharePath), 0644); err != nil {