refactor(configuration): split encryption.yml into crypttab, dracut, grub, and initramfs subtasks

roles/configuration/tasks/encryption/crypttab.yml

@@ -0,0 +1,10 @@
+---
+- name: Write crypttab entry
+  ansible.builtin.lineinfile:
+    path: /mnt/etc/crypttab
+    regexp: "^{{ configuration_luks_mapper_name }}\\s"
+    line: >-
+      {{ configuration_luks_mapper_name }} UUID={{ configuration_luks_uuid }}
+      {{ configuration_luks_crypttab_keyfile }} {{ configuration_luks_crypttab_options }}
+    create: true
+    mode: "0600"