Add debian build script

[leborchuk]

Packaging yagpcc into debian archive.

To get debian launch make package from root. It will produce files:

yagpcc_1.0.0_amd64.buildinfo
yagpcc_1.0.0_amd64.changes
yagpcc_1.0.0_amd64.deb
yagpcc_1.0.0.dsc
yagpcc_1.0.0.tar.xz
yagpcc-dbgsym_1.0.0_amd64.ddeb

The main package contents:

xifos@xifos-dev-jammy:~/git/yagpcc$ dpkg --info ../yagpcc_1.0.0_amd64.deb
 new Debian package, version 2.0.
 size 6086280 bytes: control archive=580 bytes.
     550 bytes,     9 lines      control
     117 bytes,     2 lines      md5sums
 Package: yagpcc
 Version: 1.0.0
 Architecture: amd64
 Maintainer: Leonid Borchuk <le.borchuk@gmail.com>
 Installed-Size: 19379
 Section: database
 Priority: optional
 Homepage: https://github.com/open-gpdb/yagpcc
 Description: yagpcc (Yet Another MPP Postgres Command Center) is a diagnostic and monitoring agent for Apache Cloudberry/Greenplum clusters. It collects query and session telemetry from the database (via the gp-hooks-collector extension), aggregates it across Master and Segment hosts, and exposes it over gRPC for real-time and historical use