loongson/pypi: links for rag-core-api

loongson/mirror rag_core_api-3.4.0.tar.gz
loongson/mirror rag_core_api-3.4.0-py3-none-any.whl
loongson/mirror rag_core_api-3.3.0.tar.gz
loongson/mirror rag_core_api-3.3.0-py3-none-any.whl
loongson/mirror rag_core_api-3.2.0.tar.gz
loongson/mirror rag_core_api-3.2.0-py3-none-any.whl