docs: update README.md

Author: marabesi

README.md

@@ -14,10 +14,18 @@ worse. This extension provides an aid for that.
 
 ## Running smelly
 
+### CLI
+
+Smelly is available to run via [command line](https://github.com/marabesi/smelly-test/tree/main/cli)
+
 ### VsCode marketplace
 
 Installing it from [VsCode marketplace](https://marketplace.visualstudio.com/items?itemName=marabesi.smelly-test)
 
+### Programmatically
+
+The [core of smelly](https://github.com/marabesi/smelly-test/tree/main/detector) is avaiable for usage as well, it allows tools to us the smell test detection engine.
+
 ## The research behind Smelly
 
 This extension is one of the results of an ongoing research effort to navigate the intersection between the TDD