feat: add code chunking functionality

docling_core/transforms/chunker/__init__.py

@@ -6,9 +6,19 @@
 """Define the chunker types."""
 
 from docling_core.transforms.chunker.base import BaseChunk, BaseChunker, BaseMeta
-from docling_core.transforms.chunker.hierarchical_chunker import (
-    DocChunk,
-    DocMeta,
-    HierarchicalChunker,
+from docling_core.transforms.chunker.code_chunking.base_code_chunking_strategy import (
+    BaseCodeChunkingStrategy,
 )
+from docling_core.transforms.chunker.code_chunking.code_chunk import (
+    CodeChunk,
+    CodeChunkType,
+    CodeDocMeta,
+)
+from docling_core.transforms.chunker.code_chunking.standard_code_chunking_strategy import (
+    StandardCodeChunkingStrategy,
+)
+from docling_core.transforms.chunker.doc_chunk import DocChunk, DocMeta
+from docling_core.transforms.chunker.hierarchical_chunker import HierarchicalChunker
+from docling_core.transforms.chunker.hybrid_chunker import HybridChunker
 from docling_core.transforms.chunker.page_chunker import PageChunker
+from docling_core.types.doc.labels import CodeLanguageLabel

docling_core/transforms/chunker/code_chunking/__init__.py

@@ -0,0 +1 @@
+"""Code chunking package."""