Update README.md

README.md

@@ -10,11 +10,20 @@ You can either place caster in a system path or add the location to your system
 
 You can also install caster with `go install`
 
-```
+```bash
 git clone https://github.com/patrickhuber/caster
 go install -C caster/cmd/caster
 ```
 
+Once installed, you can run the hello world example by typing 
+
+```bash
+caster init
+caster apply
+```
+
+This creates a .caster.yml file in the current directory. The apply command will run the template in the current directory.
+
 ## creating a template
 
 A template is just a directory with a .caster.yml or .caster.json file at its root that describes the template.