feat(io): add read_file/write_file commands and dialog capability

src-tauri/src/lib.rs

@@ -1,10 +1,16 @@
 mod pdf;
+mod project;
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     tauri::Builder::default()
         .plugin(tauri_plugin_opener::init())
-        .invoke_handler(tauri::generate_handler![pdf::compile_pdf])
+        .plugin(tauri_plugin_dialog::init())
+        .invoke_handler(tauri::generate_handler![
+            pdf::compile_pdf,
+            project::read_file,
+            project::write_file
+        ])
         .run(tauri::generate_context!())
         .expect("error while running margin");
 }