Code re-arrangement, Makefile fixes and implementing '.tde' relation fork #3

	name: postgresql-16-pgdg-package-pgxs
	on: [pull_request, workflow_dispatch]

	jobs:
	build:
	name: pg-16-pgdg-package-pgxs-build
	runs-on: ubuntu-22.04
	steps:
	- name: Remove old postgres
	run: \|
	sudo apt-get update
	sudo apt purge postgresql-client-common postgresql-common \
	postgresql postgresql*
	sudo rm -rf /var/lib/postgresql /var/log/postgresql /etc/postgresql \
	/usr/lib/postgresql /usr/include/postgresql /usr/share/postgresql \
	/etc/postgresql
	sudo rm -f /usr/bin/pg_config

	- name: Install dependencies
	run: \|
	sudo apt-get install -y libreadline6-dev systemtap-sdt-dev wget \
	zlib1g-dev libssl-dev libpam0g-dev bison flex libipc-run-perl
	sudo /usr/bin/perl -MCPAN -e 'install IPC::RUN'
	sudo /usr/bin/perl -MCPAN -e 'install Text::Trim'

	- name: Install PG Distribution Postgresql 16
	run: \|
	sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt \
	$(lsb_release -cs)-pgdg main 16" > /etc/apt/sources.list.d/pgdg.list'
	sudo wget --quiet -O - \
	https://www.postgresql.org/media/keys/ACCC4CF8.asc \|
	sudo apt-key add -
	sudo apt update
	sudo apt -y install postgresql-16 postgresql-server-dev-16

	- name: Clone postgres-tde-ext repository
	uses: actions/checkout@master
	with:
	path: 'src/postgres-tde-ext'

	- name: Change src owner to postgres
	run: \|
	sudo chmod o+rx ~
	sudo chown -R postgres:postgres src

	- name: Build postgres-tde-ext
	run: \|
	sudo -u postgres bash -c 'make USE_PGXS=1'
	sudo make USE_PGXS=1 install
	working-directory: src/postgres-tde-ext

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