add more to the todo list

README.md

@@ -22,6 +22,10 @@ You can build the SQL script before making the comm/user though.
 
 - - since right now it just changes the upvotes to be negative or whatever the score is
 
+- Remove the json fields from comments and posts that don't get used for importing, so that the final array of trees of posts/nested comments takes up less memory/space.
+
+- Save the final json to a file and read it through StreamArray, so that the memory is freed once the archive has finished processing
+
 ## references
 
 https://github.com/mesmere/RedditLemmyImporter (basically stole the sql stuff from there)