Rename markdowns folder to data_src folder

src/app/models/post.rs

@@ -61,7 +61,7 @@ cfg_if::cfg_if! {
 
                 let mut posts: Vec<Self> = Vec::new();
 
-                let folder_path = Path::new("markdowns").join(folder);
+                let folder_path = Path::new("data_src").join(folder);
                 let paths = read_dir(folder_path).map_err(|e| e.to_string())?;
 
                 for path_result in paths {