Duplicate matrix-mxisd role for matrix-ma1sd fork

(adapting strings and URLs)

roles/matrix-ma1sd/tasks/init.yml

@@ -0,0 +1,10 @@
+- set_fact:
+    matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-ma1sd'] }}"
+  when: matrix_ma1sd_enabled|bool
+
+# ansible lower than 2.8, does not support docker_image build parameters
+# for self buildig it is explicitly needed, so we rather fail here
+- name: Fail if running on Ansible lower than 2.8 and trying self building
+  fail:
+    msg: "To self build ma1sd image, you should usa ansible 2.8 or higher. E.g. pip contains such packages."
+  when: "ansible_version.major == 2 and ansible_version.minor < 8 and matrix_ma1sd_container_image_self_build"