ALT debuginfod server

Serves debugging information without need to find and install -debuginfo packages using elfutils debuginfod protocol.

Client configuration to use (example for bash shell):

$ export DEBUGINFOD_URLS=https://debuginfod.altlinux.org/
$ eu-stack -v -p $$
$ gdb ...
You will need elfutils package since version 0.182-alt2 or gdb since version 10.1-alt1.