Update README.md

Virtual Sensing/README.md

@@ -17,9 +17,12 @@ The current structure of the section is shown below
 The implementations are dependent on functions from the [Utilities/Geometries](https://gitlab.com/in-nova/in-nova/-/tree/main/Utilities/Geometries). The necessary files are listed below:
 
 - MATLAB
+  - Utilities
+    - Geometries
       - `rcvGeo()`
       - `srcGeo()`
       - `virtMicGeo()`
+  - Sound Fields
     - `ptSrcField()`
 
 ## Examples