feat(native): doc loader for common native (#9941)

packages/common/native/src/doc_loader/mod.rs

@@ -0,0 +1,12 @@
+mod document;
+mod loader;
+mod splitter;
+mod types;
+
+pub use document::{Chunk, Doc};
+use loader::{
+  get_language_by_filename, DocxLoader, HtmlLoader, LanguageParserOptions, Loader, LoaderError,
+  PdfExtractLoader, SourceCodeLoader, TextLoader, Url,
+};
+use splitter::{MarkdownSplitter, TextSplitter, TextSplitterError, TokenSplitter};
+use types::Document;