GitLab

- Update Dockerfiles in china, global, and huawei_npu directories
- Improve wget commands by specifying output file names
- Update READMEs to reflect new Dockerfile locations

- Add Dockerfile for global setup with Ubuntu base image
- Add Dockerfile for Huawei NPU setup with Ascend base image
- Update requirements file structure:  - Rename requirements-docker.txt to docker/china/requirements.txt - Add new requirements files for global and Huawei NPU setups
- Install necessary packages and dependencies in both Dockerfiles- Set up virtual environment and install Python packages
- Download models and configure magic-pdf for both setups