Updated README.md

README.md

@@ -2,5 +2,45 @@
 
 A CLI wrapper for the IPS crate.
 
-You can patch a file using the following command:
-`ips-rs -i <path/to/file.rom> -o <path/to/patch.ips>`
+## Usage:
+
+### Help
+```
+$ rhack                  
+Patch/Rom hacking utility.
+
+Usage: rhack <COMMAND>
+
+Commands:
+  ips     Uses IPS patching
+  xdelta  Uses XDELTA patching
+  help    Print this message or the help of the given subcommand(s)
+
+Options:
+  -h, --help  Print help
+```
+
+### Patching
+```
+$ rhack xdelta
+Uses XDELTA patching
+
+Usage: rhack xdelta [OPTIONS]
+
+Options:
+  -i, --input-file <FILE>   File to patch
+  -p, --patch-file <FILE>   Patch file to use
+  -o, --output-file <FILE>  Output file
+  -h, --help                Print help
+
+$ rhack ips   
+Uses IPS patching
+
+Usage: rhack ips [OPTIONS]
+
+Options:
+  -i, --input-file <FILE>   File to patch
+  -p, --patch-file <FILE>   Patch file to use
+  -o, --output-file <FILE>  Output file
+  -h, --help                Print help
+```