feat:

- Add support for .doc and .docx files
  - Use FILES_TO_CONVERT constant for document types to convert to PDF
  - Refactor code, file checking and help text for formats

src/main.rs

@@ -31,4 +31,3 @@ fn main() {
         eprintln!("Error processing directory: {}", e);
     }
 }
-

src/tools.rs

@@ -2,6 +2,7 @@ use std::path::Path;
 use std::process::Command;
 use std::env;
 
+
 pub fn get_soffice_path() -> Result<String, String> {
     // First try environment variable if set
     if let Ok(path) = env::var("LIBREOFFICE_PATH") {