[Fix #120] Add README for trap

modules/trap/README.md

@@ -0,0 +1,18 @@
+trap
+====
+
+Provides functions to trap Unix signals in Zsh.
+
+Functions
+---------
+
+- `add-zsh-trap` adds a trap for Unix signal with a provided callback function.
+
+Authors
+-------
+
+*The authors of this module should be contacted via the [issue tracker][1].*
+
+  - [Sorin Ionescu](https://github.com/sorin-ionescu)
+
+[1]: https://github.com/sorin-ionescu/oh-my-zsh/issues