+ php-composer install own playbook with version downgrade for oldest php 7.4

* automatic detect php version and set php extension (for =>8 php version without installing gd, because Debian 11 need libgd3 fix for that)
* mapping tld hostname for non-www redirection moved to conf.d and copy that file to remote machine with others existing map-files
* some features in this commit not to be a tested in real environment

playbooks/own/libgd3-fix-for-php8.yml

@@ -1,6 +1,7 @@
 ---
 - name: Solve problem with libgd3 for php-gd
   hosts: [ 'debian10' ]
+  when: (php_version != '7.4')
   vars_files:
     - ./../../vars/php.yml
   tasks:

playbooks/own/php-composer.yml

@@ -0,0 +1,23 @@
+---
+
+- name: Install PHP Composer
+
+  collections: [ 'debops.debops', 'debops.roles01',
+                 'debops.roles02', 'debops.roles03' ]
+
+  hosts: [ 'debian10' ]
+
+  tasks:
+    - name: Download and install composer
+      when: (php_version is defined)
+      shell: |-
+        php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+        php -r "if (hash_file('sha384', 'composer-setup.php') === 'dac665fdc30fdd8ec78b38b9800061b4150413ff2e3b6f88543c636f7cd84f6db9189d43a81e5503cda447da73c7e5b6') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
+        php composer-setup.php
+        php -r "unlink('composer-setup.php');"
+        mv composer.phar /usr/local/bin/composer
+
+    - name: Download and install composer
+      when: (php_version is defined and php_version == '7.4')
+      shell: |-
+        composer self-update 1.10.27