created new package tasks for handler-based inclusions, otehrwise got username and home directory of SSH login for path purposes

roles/init-server/tasks/contingent/pkg/difftastic.yml

@@ -0,0 +1,26 @@
+---
+- name: Acquiring home of current user
+  when: ansible_facts["system"] == "Linux"
+  ansible.builtin.shell:
+    cmd: "echo ~{{ ansible_user }}"
+  register: ansible_user_home
+- name: Linking binaries to directories already in PATH environment variable
+  ansible.builtin.file:
+    src: "{{ ansible_user_home.stdout }}/downloads/archives/released/difftastic/{{ item }}"
+    dest: "{{ ansible_user_home.stdout }}/.local/bin/{{ item }}"
+    state: hard
+  loop:
+    - difft
+- name: Linking binaries to directories already in PATH environment variable
+  become: true
+  ansible.builtin.file:
+    src: "{{ ansible_user_home.stdout }}/downloads/archives/released/difftastic/{{ item }}"
+    dest: "/usr/local/bin/{{ item }}"
+    state: link
+  loop:
+    - difft
+- name: Configuring usage of Difftastic as default git difference tool for user
+  community.general.git_config:
+    name: diff.tool
+    scope: global
+    value: difftastic