Add ClassicPress blueprint with Docker Compose and configuration files

- Introduced Docker Compose setup for ClassicPress service, including environment variables and volume configuration.
- Added logo for ClassicPress.
- Created template.toml for ClassicPress with default variables for configuration.

blueprints/classicpress/docker-compose.yml

@@ -0,0 +1,30 @@
+version: "3"
+
+services:
+  classicpress:
+    image: classicpress/classicpress:php8.3-apache
+    ports:
+      - "80"
+    environment:
+      - WORDPRESS_DB_HOST=db
+      - WORDPRESS_DB_USER=wordpress
+      - WORDPRESS_DB_PASSWORD=${DB_PASSWORD}
+      - WORDPRESS_DB_NAME=wordpress
+    volumes:
+      - wordpress-data:/var/www/html
+    depends_on:
+      - db
+
+  db:
+    image: mariadb:10.6
+    environment:
+      - MYSQL_DATABASE=wordpress
+      - MYSQL_USER=wordpress
+      - MYSQL_PASSWORD=${DB_PASSWORD}
+      - MYSQL_ROOT_PASSWORD=${DB_ROOT_PASSWORD}
+    volumes:
+      - db-data:/var/lib/mysql
+
+volumes:
+  wordpress-data:
+  db-data: