411 Adding depth map estimation bundle

[franklinwk]

Adding depth map estimation bundle. Some issues with creating inference.json. #411

Description

Adding depth map estimation bundle.

Status

Work in progress

Please ensure all the checkboxes:

• [x] Codeformat tests passed locally by running ./runtests.sh --codeformat.
• [ ] In-line docstrings updated.
• [x] Please ensure the naming rules in config files meet our requirements (please refer to: CONTRIBUTING.md).
• [ ] Ensure versions of packages such as monai, pytorch and numpy are correct in metadata.json.
• [ ] Descriptions should be consistent with the content, such as eval_metrics of the provided weights and TorchScript modules.
• [x] Files larger than 25MB are excluded and replaced by providing download links in large_file.yml.
• [x] Avoid using path that contains personal information within config files (such as use /home/your_name/ for "bundle_root").