chore!: separated galaxy deps and own collections; modified ansible script generation to use two paths for collections

REQUIRES REGENERATING ansible.cfg!

ansible_collections/nullified/infrastructure/roles/postgresql/tasks/main.yml

@@ -0,0 +1,17 @@
+---
+- name: setup server
+  include_tasks: server.yml
+  when: postgresql_install_server is truthy
+
+- name: setup client
+  include_tasks: client.yml
+  when: postgresql_install_client is truthy
+
+- name: install firewall rules
+  become: true
+  template:
+    src: ../templates/nftables.d/postgresql.nft.j2
+    dest: /etc/nftables.d/postgresql.nft
+    mode: '0600'
+  notify:
+    - 'postgresql : load firewall rules'