docs: add qifi cli usecase

Author: LittleSound

README.md

@@ -33,6 +33,7 @@ Stream data through multiple QRCodes
 
 ## Sub-packages
 
+- [QiFi CLI](./packages/cli) - CLI for streaming QR code file transmission
 - [luby-transform](./packages/luby-transform) - Luby Transform encoding and decoding
 - [@qifi/generate](./packages/generate) - Stream Generated QR Codes for data transmission
 

packages/cli/README.md

@@ -31,6 +31,26 @@ Stream Generated QR Codes for file transmission in your terminal
 
 ## Usage
 
+Get document
+
+```bash
+npx qifi --help
+```
+
+Stream file
+
+```bash
+npx qifi ./file.txt
+```
+
+Stream file with custom chunk size
+
 ```bash
-npx qifi <file> [options]
+npx qifi -ICS=1000 ./file.txt
 ```
+
+You can use any scanner to scan the dynamic QR code. This will redirect to [a scanner website in the browser](https://qrss.netlify.app) to actually obtain the file data from the QR code.
+
+## Demo
+
+![Demo](../../public/qifi-cli-demo.jpg)