Rename project from any-llm to laravel-llm

- Remove old any-llm related files (Dockerfile, config.yml, web/, setup-laravel.sh)
- Update README.md with new Laravel LLM Gateway documentation
- Keep docker-compose.yml with laravel-llm container names
- Clean project structure for Laravel-only implementation

laravel/Dockerfile

@@ -21,7 +21,7 @@ RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
 RUN apt-get clean && rm -rf /var/lib/apt/lists/*
 
 # Install PHP extensions
-RUN docker-php-ext-install pdo pdo_pgsql pgsql mbstring exif pcntl bcmath gd
+RUN docker-php-ext-install pdo pdo_mysql pdo_pgsql pgsql mysqli mbstring exif pcntl bcmath gd
 
 # Get latest Composer
 COPY --from=composer:latest /usr/bin/composer /usr/bin/composer