GL-AXT1800 Tailscale update

[admon]

Feel free to use my script for that:

How-To: Update Tailscale on ARM64/ARMv7 (f.e. Flint2/AXT1800)

Hi there some people wonder how to update the pretty old Tailscale version on devices like the Flint or Flint2. For your convenience, I created a script to automate this process. Dependencies Currently, the update-process is only supported on devices using ARM64 or ARMv7 architecture. This should affect most routers like the Flint or Flint2. If you are not sure about the architecture you can run uname -m to get the current one. It should say aarch64 or armv7l to be able to run my scri…