refactor: restructured project for higher-utility naming practices and optimized data structures for variables

roles/bootstrap/templates/sshd_config.d/auth.conf.j2

@@ -0,0 +1,27 @@
+{% if empty_auth_used %}
+PermitEmptyPasswords yes
+{% else %}
+PermitEmptyPasswords no
+{% endif %}
+{% if pass_auth_used %}
+PasswordAuthentication yes
+{% else %}
+PasswordAuthentication no
+{% endif %}
+{% if kbd_auth_used is not None %}
+{% if kbd_auth_used %}
+KbdInteractiveAuthentication yes
+{% else %}
+KbdInteractiveAuthentication no # enable if implementing TOTP 2FA
+{% endif %}
+{% endif %}
+{% if pam_auth_used %}
+UsePAM yes
+{% else %}
+UsePAM no # enable if implementing TOTP 2FA
+{% endif %}
+{% if key_auth_used %}
+PubkeyAuthentication yes
+{% else %}
+PubkeyAuthentication no
+{% endif %}