Add branch

README.md

@@ -29,8 +29,9 @@ hello
 
 * You can choose the following branches for adding your codes with pull requests. 
     * [dev-builtins](https://github.com/shellgei/rusty_bash/tree/dev-builtins): for builtin commands 
-    * [dev-signal](https://github.com/shellgei/rusty_bash/tree/dev-signal): for development on signals
+    * [dev-signal](https://github.com/shellgei/rusty_bash/tree/dev-signal): for development on signal
     * [dev-compounds](https://github.com/shellgei/rusty_bash/tree/dev-compounds): for development on compoundss
+    * [dev-args](https://github.com/shellgei/rusty_bash/tree/dev-args): for development on arguments
 
 ## List of Features