Update 'README.md'

README.md

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 # cbr2cbz
 
 BASH tool to convert cbr files to cbz files either in batch or one by one.
+
+Download the tool using:
+
+$ git clone git@git.zaks.web.za:thisiszeev/cbr2cbz.git
+
+$ chmod +x cbr2cbz.sh
+
+$ sudo cp cbr2cbz.sh /usr/bin/cbr2cbz
+
+That's it.
+
+Usage: cbr2cbz single "filename.cbr"
+        Convert a single file.
+Usage: cbr2cbz all
+        Convert all files recursively from the current location.
+Usage: cbr2cbz help
+        Display this text.
+
+Warning: If conversion is successful, the original file(s) will be deleted.