feat: Added config for debian package building using salsa

.gitlab-ci.yml

+---
+include:
+  - https://salsa.debian.org/salsa-ci-team/pipeline/raw/master/recipes/debian.yml
+  - https://www.opencode.net/zynthbox/gitlab-ci-tools/raw/main/zynthbox-default-ci.yml
+variables:
+  SOURCE_ARCHIVE: "https://github.com/zynthbox/zynthbox-dependencies/releases/download/RC-5/abgate-1.2.0.tar.gz"
+  BUILDING_ZYNTHBOX_DEPENDENCY: 1

README.md

+# zynthbox-plugin-abgate
+
+Build latest zynthbox-plugin-abgate from source https://github.com/zynthbox/zynthbox-dependencies/releases/download/RC-5/abgate-1.2.0.tar.gz

debian/changelog

+zynthbox-plugin-abgate (1.2.0-1-1) bullseye; urgency=medium
+
+  * Build
+
+ -- Probal Basak <probal31@gmail.com>  Tue, 25 Mar 2025 15:00:00 +0530

debian/compat

+11
\ No newline at end of file

debian/control

+Source: zynthbox-plugin-abgate
+Section: misc
+Priority: optional
+Maintainer: Probal Basak <probal31@gmail.com>
+Build-Depends: debhelper (>= 11), cmake, g++
+Standards-Version: 4.1.3
+Homepage: https://github.com/antanasbruzas/abGate
+
+Package: zynthbox-plugin-abgate
+Architecture: any
+Depends: ${shlibs:Depends}, ${misc:Depends}
+Description: Build zynthbox-plugin-abgate deb

debian/copyright

+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: abGate
+Source: https://github.com/antanasbruzas/abGate

debian/rules

+#!/usr/bin/make -f
+# See debhelper(7) (uncomment to enable)
+# output every command that modifies files on the build system.
+#export DH_VERBOSE = 1
+
+%:
+	dh $@
+
+override_dh_usrlocal:

debian/source/format

+3.0 (quilt)
\ No newline at end of file

debian/source/options

+# Ignore all files having `/build/` in filepath
+extend-diff-ignore = "(.*\/)?build\/.*"
+
+# Ignore all files having `/.waf/` in filepath
+extend-diff-ignore = "(.*\/)?\.waf.*\/.*"
+
+# Ignore all files having `/man/` in filepath
+extend-diff-ignore = "(.*\/)?man\/.*"
+
+# Ignore all `.wafpickle` files
+extend-diff-ignore = ".*\.wafpickle.*"
+
+# Ignore all `.lock-waf` files
+extend-diff-ignore = ".*\.lock-waf.*"
+
+# Ignore all `.pyc` pycache files
+extend-diff-ignore = ".*.pyc"
+
+# Ignore all `.gitlab-ci.yml`
+extend-diff-ignore = ".gitlab-ci.yml"
+
+# Ignore all `README` files
+extend-diff-ignore = "README|README.md"