updated README

README.md

@@ -1,11 +1,29 @@
 # Mortadelo CLI tool
 
-### THIS TOOL IS UNDER HEAVY DEVELOPMENT ###
+`THIS TOOL IS UNDER HEAVY DEVELOPMENT`
 
-**What for?**
+### What for?
 
-Mortadelo makes assming AWS roles pretty simple, asking for AWS temporal credentials and dumping them to ~/.aws/credentials
+Mortadelo makes assming AWS roles pretty simple, asking for temporary AWS credentials and dumping them to `~/.aws/credentials`
 
-**How to use it**
+### Installation
 
-You can use explicit arn roles or use a _role alias_ configured in ~/.mortadelo/roles
+```
+wget https://github.com/ivanfoo/mortadelo/releases/download/v0.1.0/mortadelo_v0.1.0.tgz
+tar -xfv mortadelo_v0.1.0.tgz
+cp mortadelo /usr/local/bin/
+```
+
+### How to use it
+
+You can use explicit arn roles or use a _role alias_ configured in `~/.mortadelo/roles`
+
+**Roles file example**
+
+```
+[alias_for_foo]
+arn = arn:aws:iam::xxxxxxxxxxxx:role/foo
+
+[alias_for_bar]
+arn = arn:aws:iam::yyyyyyyyyyyy:role/bar
+```