update readme.md

Hunter
Friday, August 30th, 2024 at 3:00 PM

readme.md+8-10

readme.md
  9  
 10  ### key features
 11  - unlimited subtask depth
    -- intuitive keyboard controls for rapid navigation
 12 +- intuitive keyboard controls
 13  - automatic saving using browser's local storage
    -- works completely offline
 14 +- "single html file" architecture that works completely offline
 15  
 16  ### quickstart
 17  1. press the `Return` / `Enter` key to add subtasks to the root "todo" task

 42  - `Command/Ctrl + Z` undo text edit
 43  - `Command/Ctrl + Shift + Z` redo text edit
 44  
    -### importing / exporting
    -your task tree is automatically saved to your browser's [local storage](#data-persistence) after each edit. for manual backups or cross-device use:
 45 +## data persistence
 46 +your task tree is automatically saved to your browser's local storage after each edit. this ensures your tasks will persist even if you close the browser or refresh the page.
 47 +
 48 +**⚠️ warning:** clearing your browsing data may erase your saved tasks. to avoid losing progress, create a manual backup before clearing your browsing data:
 49  
 50  - `Command/Ctrl + S` export tasks to .txt file
 51  - `Command/Ctrl + O` import tasks from .txt file
 52 +
 53  ## themes
 54  press `F2` to cycle through available themes.
 55  

103  }
104  ```
105  
    -## data persistence
    -your task tree is automatically saved to your browser's local storage after each edit. this ensures your tasks will persist even if you close the browser or refresh the page.
    -
    -**⚠️ warning:** clearing your browsing data may erase your saved tasks. use the [export feature](#importingexporting) to create a manual backup before clearing your browsing data.
    -
106  ## browser compatibility
    -this application is designed to run on modern web browsers with javascript enabled. mobile browsers are supported, but a physical keyboard is required (for now).
107 +this application is designed to run on modern web browsers with javascript enabled. mobile browsers are technically supported, but a physical keyboard is required (for now).
108  
109  ## privacy
110  all data is stored locally on your machine. no data is sent to or stored on any external servers.