Initialise repository structure and placeholder files. Generic functionality works i guess, need to come up with a better solution for compose templates

roles/php_fpm/defaults/main.yml

@@ -0,0 +1,14 @@
+---
+php_fpm_name: php-fpm
+php_fpm_dir: /srv/docker/php-fpm
+php_fpm_image: php:8.4-fpm-alpine
+php_fpm_routing_mode: host
+php_fpm_env: {}
+php_fpm_directories:
+  - "{{ php_fpm_dir }}"
+  - /srv/data/php
+php_fpm_volumes:
+  - /srv/data/php:/var/www/html
+php_fpm_ports:
+  - { host: 9000, container: 9000, protocol: tcp }
+