Add containerization and improve economic invoice handling

Introduce Docker support with a Dockerfile and example docker-compose setup, enlisting services like MySQL and Redis. Enhance economic invoice drafts with support for dimensions while restructuring related logic and schemas for better maintenance and clarity.

Dockerfile

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+# Base image: PHP 8.2 with Apache
+FROM php:8.2-apache
+
+# Install necessary system dependencies
+RUN apt-get update && apt-get install -y \
+    git \
+    unzip \
+    libonig-dev \
+    libpq-dev \
+    libzip-dev \
+    libcurl4-openssl-dev \
+    default-mysql-client \
+    redis-server \
+    && docker-php-ext-install \
+    mysqli \
+    pdo \
+    pdo_mysql \
+    zip \
+    bcmath \
+    sockets
+
+# Enable Apache mod_rewrite (required for web server routing)
+RUN a2enmod rewrite
+
+# Set working directory
+WORKDIR /var/www/html
+
+# Copy application code
+COPY . /var/www/html
+
+# Install Composer
+COPY --from=composer:2.6 /usr/bin/composer /usr/bin/composer
+
+# Install PHP dependencies through Composer
+RUN composer install --no-dev --optimize-autoloader
+
+# Set permissions for the web server
+RUN chown -R www-data:www-data /var/www/html && chmod -R 755 /var/www/html
+
+# Expose port 80 for HTTP traffic
+EXPOSE 80
+
+# Start Redis service when the container starts
+CMD service redis-server start && apache2-foreground