[update] readme file

Author: mikeborodin

README.md

@@ -6,7 +6,33 @@
 * Hooks to execute additional tasks before/after the command.
 
 ## Installation
-tbd
+```
+brew tap mikeborodin/terrun
+brew install terrun
+```
+## Configuration
+
+`terrun configure` will create a starter yaml config at $HOME/.config/terrun/terrun.yaml
+
+Feel free to customize it with your own apps/tasks.
+
+
+## Usage
+`terrun loop` your the keystrokes to specified apps from the config file.
+
+Feel free to customize it with your own apps/tasks.
+
+
+## Update
+```
+terrun update
+```
+You can also use brew
+```
+brew upgrade terrun
+```
+
+
 
 ## Color codes:
 https://raw.github.com/google/ansicolor-dart/master/ansicolor-dart.png