Change Details

For the needs of the Rust service development, I moved the C++ implementation to the `old` dir. - Modified Dockerfile accordingly - Modified CMakeLists accordingly

For the needs of the Rust service development, I moved the C++ implementation to the `old` dir. - Modified Dockerfile accordingly - Modified CMakeLists accordingly - Left `blob_client` untouched as it is convenient for me to keep it where it is.

For the needs of the Rust service development, I moved the C++ implementation to the `old` dir. - Modified Dockerfile accordingly - Modified CMakeLists accordingly - Left `blob_client` untouched as it is convenient for me to keep it where it is.