Beta Branch add axel download fallback mirror in installer.sh related files

add axel download fallback mirror in installer.sh related files

---

if integrity of github.com downloaded tar.gz for axel is corrupted fallback to local centminmod.com mirror version

Continue reading...

123.09beta01 branch

• Branch: https://github.com/centminmod/centminmod/tree/123.09beta01
• Commit History: https://github.com/centminmod/centminmod/commits/123.09beta01