move cli utility into repository

This commit also adds the `--workspace`` flag to the automated build and test scripts

crates/cli/README.md

@@ -0,0 +1,19 @@
+# rxing-cli
+A command line interface for rxing supporting encoding and decoding of barcode data.
+
+## Full documentation
+`rxing-cli help`
+`rxing-cli help encode`
+`rxing-cli help decode`
+
+## Instalation 
+`cargo install rxing-cli`
+
+## Example Encode
+`rxing-cli test_image.jpg encode --width 500 --height 500 --data "Sample Data and TEST Data" qrcode`
+
+## Example Decode
+`rxing-cli test_image.jpg decode`
+
+## Example Multi Barcode Decode
+`rxing-cli test_image.jpg decode --decode-multi`