writer feature

Author: Indosaram

.gitignore

@@ -1,2 +1,4 @@
 /target
 test-files
+
+.serena

Cargo.lock

@@ -19,7 +19,7 @@ include = [
 ]
 
 [dependencies]
-cfb = "0.9"
+cfb = "0.11.0"
 flate2 = "1.0"
 encoding_rs = "0.8"
 byteorder = "1.5"

Cargo.toml

@@ -0,0 +1,22 @@
+use hwpers::HwpWriter;
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    println!("Creating new HWP document...\n");
+    
+    // Create a new HWP writer
+    let mut writer = HwpWriter::new();
+    
+    // Add content
+    writer.add_paragraph("안녕하세요! 이것은 hwpers 라이브러리로 만든 HWP 문서입니다.")?;
+    writer.add_paragraph("")?; // Empty paragraph for spacing
+    writer.add_paragraph("This document was created using the hwpers Rust library.")?;
+    writer.add_paragraph("It should open correctly in Hangul word processor.")?;
+    
+    // Save to file
+    writer.save_to_file("example_document.hwp")?;
+    
+    println!("✅ Created example_document.hwp");
+    println!("This file can be opened in Hangul word processor.");
+    
+    Ok(())
+}