Create README.md

README.md

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+<p align="center">
+  <img src="./icon-192.png" />
+</p>
+
+<p align="center">
+  An offline first, browser based text editor inspired by the MS-DOS Edit.<br>
+  https://pascar.run
+</p>
+
+---
+
+Pascar is a faithful offline recreation of the classic MS-DOS Editor
+Runs entirely in your browser - no server, no internet.
+
+## Quick Start
+```
+  Ctrl+O            Open a text file from your computer
+  Ctrl+S            Save / download the current file
+  Ctrl+F            Find text
+  Ctrl+H            Find and Replace
+  Ctrl+G            Go to a specific line number
+  F3 / Shift+F3     Find next / previous match
+  F5                Insert current date and time
+  Alt+F/E/S/V/H     Open menu (then ↑↓ to navigate, Enter to select)
+  Alt+L             Toggle line numbers
+  Ctrl++ / Ctrl--   Zoom in / out
+  Insert            Toggle Insert / Overwrite mode
+  F1                Show full keyboard shortcuts
+```
+
+## Portability
+Pascar is a self-contained single HTML file.
+
+If you want this to be portable in your USB stick, you just need to download this single file [pascar.html](https://github.com/potentzero/pascar/releases/latest/download/pascar.html) and use it.
+
+## LICENSE
+This software is license under **MIT License**. Please refer the [LICENSE](./LICENSE) text for more detail.
+
+## Contributing
+Please feel free to contribute by creating an issue or diving into the code and PRs.
+
+I do not have a Code of Conduct, but a simple rule - please be nice when you deal with others.