Update README.md

README.md

@@ -3,3 +3,6 @@ Photon 2 adds emergency vehicle and vehicle lighting functionality to Garry's Mo
 
 > [!IMPORTANT] 
 > Visit the [Photon 2 Wiki](https://photon.lighting/docs) to learn more and get started.
+
+# File/Folder Structure
+While many Garry's Mod addons favor an in-depth folder hierarchy, Photon 2 keeps client/shared/server core logic files within the `photon-v2` folder and "classes" in the `photon-v2/meta` folder. This is primarily done to make file switching easier (Ctrl+P in VSCode), as more generic filenames tend to match others.