Update readme with instructions (#3)

Update readme with instructions

Author: kazk

README.md

@@ -1,10 +1,25 @@
 ## testbox-codewars
 
-- `CodewarsReporter`: Custom reporter for TestBox to produce Codewars format
-- `TestRunner`: Runs TestBox tests and produces output for Codewars
+- `CodewarsReporter.cfc`: Custom reporter for TestBox to produce Codewars format
+- `TestRunner.cfc`: Runs TestBox tests and produces output for Codewars
+- `CodewarsBaseSpec.cfc`: Base tests for CFML test bundles that captures spec-level debugging output
 
 ### Usage
 
+Assumes you have CommandBox CLI installed and in your path:
+
+https://commandbox.ortusbooks.com/setup/installation
+
+Make sure TestBox is installed:
+
+```bash
+box install
 ```
+
+To test locally, create a `Solution.cfc` and `SolutionTest.cfc` in the root dir.  
+
+Run the task runner with the following command:
+
+```bash
 box task run TestRunner
 ```