Add local kv cache store for vllm - #2063

Issues
======
- Added 22
           

Complexity increasing per file
==============================
- src/server/server/vineyard_server.cc  86
- src/server/async/socket_server.cc  158
- src/server/memory/stream_store.cc  111
- src/server/memory/memory.cc  14
- python/client.cc  3
- src/server/memory/memory.h  4
- src/client/ds/blob.cc  9
- src/common/util/env.cc  3
- src/client/client.cc  79
- src/server/async/socket_server.h  2
- src/common/util/json.h  1
- src/server/memory/stream_store.h  25
- src/common/util/protocols.cc  161
- src/client/client_base.cc  10
- src/server/server/vineyard_server.h  6
- src/server/memory/malloc.cc  5
- src/server/services/meta_service.h  2
- src/client/ds/blob.h  13
- src/common/memory/payload.h  1
- src/server/async/rpc_server.cc  1
- src/server/memory/usage.h  5
- src/server/util/remote.cc  10
- src/server/util/remote.h  3
- python/vineyard/core/client.py  31
- modules/vllm-kv-cache/src/storage/vllm_kv_storage.cc  248
- modules/vllm-kv-cache/src/io/aio_adaptor.cc  119
- modules/vllm-kv-cache/src/io/io_adaptor.h  10
- python/vineyard/core/tests/fixed_stream_sender.py  9
- modules/vllm-kv-cache/src/io/mock_aio_operations.cc  68
- python/vineyard/io/fixed_blob.py  45
- src/common/util/sidecar.cc  23
- python/vineyard/core/tests/fixed_stream_receiver.py  15
- src/server/util/utils.h  3
- modules/vllm-kv-cache/ds/vllm_layer.cc  36
- modules/vllm-kv-cache/src/io/posix_io_adaptor.cc  19
- modules/vllm-kv-cache/src/io/aio_operations.cc  6
- modules/vllm-kv-cache/tests/vllm_storage_local_test.cc  42
- src/server/util/remote_pool.h  1
- modules/vllm-kv-cache/src/vllm_kv_cache_util.cc  24
- modules/vllm-kv-cache/src/io/posix_io_adaptor.h  1
- modules/vllm-kv-cache/src/io/mock_io_adapter.cc  33
- src/common/util/sidecar.h  9
- modules/vllm-kv-cache/src/storage/vllm_kv_storage.h  8
- modules/vllm-kv-cache/src/io/mock_aio_operations.h  1
- modules/basic/stream/fixed_blob_stream.cc  28
- modules/basic/stream/fixed_blob_stream.h  10
- modules/vllm-kv-cache/src/env.cc  15
- modules/vllm-kv-cache/src/io/aio_adaptor.h  6
- modules/vllm-kv-cache/src/io/error_injection.cc  19
- modules/vllm-kv-cache/src/vllm_kv_cache_util.h  1
- modules/vllm-kv-cache/ds/vllm_block.cc  49
- src/common/util/get_tid.h  2
- src/common/util/monitor.h  22
- src/common/util/trace.h  9
- src/server/util/remote_pool.cc  10
- modules/vllm-kv-cache/ds/vllm_layer.h  3
- modules/vllm-kv-cache/ds/vllm_block.h  14
         

Clones added
============
- src/server/server/vineyard_server.cc  15
- src/server/async/socket_server.cc  63
- src/server/memory/stream_store.cc  16
- src/client/ds/blob.cc  7
- src/client/client.cc  53
- src/server/memory/stream_store.h  3
- src/common/util/protocols.cc  7
- src/server/async/rpc_server.cc  1
- modules/vllm-kv-cache/src/storage/vllm_kv_storage.cc  120
- modules/vllm-kv-cache/src/io/aio_adaptor.cc  67
- modules/vllm-kv-cache/src/io/mock_io_adapter.h  2
- modules/vllm-kv-cache/src/io/io_adaptor.h  4
- modules/vllm-kv-cache/src/io/mock_aio_operations.cc  4
- python/vineyard/io/fixed_blob.py  2
- modules/vllm-kv-cache/ds/vllm_layer.cc  7
- modules/vllm-kv-cache/src/io/posix_io_adaptor.cc  4
- modules/vllm-kv-cache/tests/vllm_storage_local_test.cc  2
- modules/vllm-kv-cache/src/storage/vllm_kv_storage.h  60
- modules/vllm-kv-cache/src/io/aio_operations.h  1
- modules/vllm-kv-cache/src/io/mock_aio_operations.h  1
- modules/vllm-kv-cache/src/io/aio_adaptor.h  2
- modules/vllm-kv-cache/ds/vllm_block.cc  7
- modules/vllm-kv-cache/ds/vllm_block.h  2
         

Clones removed
==============
+ src/client/rpc_client.cc  -1
+ src/server/util/remote.cc  -1