docs(FR-2788): add LICENSE and README to backend.ai-client#7202

yomybaby wants to merge 1 commit intomainlablup/backend.ai-webui:mainfrom

04-30-docs_fr-2788_add_license_and_readme_to_backend.ai-clientlablup/backend.ai-webui:04-30-docs_fr-2788_add_license_and_readme_to_backend.ai-clientCopy head branch name to clipboard