move a lot of configuration around

tasks/src/alacritty.yml

@@ -0,0 +1,15 @@
+# vim: set filetype=yaml.ansible :
+---
+- name: Build and install alacritty
+  become: true
+  ansible.builtin.command:
+    creates: "{{ pkgconfig_alacritty.install_prefix }}/bin/alacritty"
+    cmd:
+      - cargo
+      - install
+      - --root
+      - "{{ pkgconfig_alacritty.install_prefix }}"
+      - --git
+      - "{{ pkgconfig_alacritty.git_repo }}"
+      - --tag
+      - "v{{ pkgconfig_alacritty.version }}"