Feature: Daily Journaling Shortcut #2
Description
A single keybinding (like j) that creates or opens a note named with today's date (e.g., 2026-01-30.md).
Requirements:
- Add a keybinding (e.g.,
j). - Check if a file with the current date exists.
- If yes, open it.
- If no, create it and then open it.
- Allow configuring the date format in
config.toml.