[Misc] Add SPDX-FileCopyrightText (#19100)

Signed-off-by: simon-mo <simon.mo@hey.com>

vllm/compilation/torch25_custom_graph_pass.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 from abc import ABC, abstractmethod
 from typing import Any, Optional
 

vllm/compilation/vllm_inductor_pass.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import time
 

vllm/compilation/wrapper.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import os
 import sys

vllm/config.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import ast
 import copy

vllm/connections.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from collections.abc import Mapping, MutableMapping
 from pathlib import Path

vllm/core/block/block_table.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import math
 from typing import List, Optional

vllm/core/block/common.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from collections import deque
 from dataclasses import dataclass

vllm/core/block/cpu_gpu_block_allocator.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from typing import Dict, FrozenSet, List, Optional, Tuple
 

vllm/core/block/interfaces.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from abc import ABC, abstractmethod
 from typing import Dict, FrozenSet, List, Optional, Protocol, Tuple

vllm/core/block/naive_block.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from collections import deque
 from typing import Deque, FrozenSet, Iterable, List, Optional, Tuple, Union

vllm/core/block/prefix_caching_block.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 """Token blocks."""
 import sys
 from bisect import bisect_left

vllm/core/block/utils.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 """Block manager utils."""
 from vllm.sequence import SequenceGroup
 from vllm.utils import (STR_NOT_IMPL_ENC_DEC_PREFIX_CACHE,

vllm/core/block_manager.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 """A block manager that manages token blocks."""
 from typing import Dict, List, Optional
 from typing import Sequence as GenericSequence

vllm/core/evictor.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import enum
 import heapq

vllm/core/interfaces.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import enum
 from abc import ABC, abstractmethod

vllm/core/placeholder_block_space_manager.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from typing import List, Optional, Tuple
 

vllm/core/scheduler.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import enum
 import os

vllm/device_allocator/cumem.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 # cumem-based pytorch pluggable allocator to implement sleep mode.
 # other approaches tried but failed:

vllm/distributed/__init__.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from .communication_op import *
 from .parallel_state import *

vllm/distributed/communication_op.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from typing import Any, Optional, Union