updated readme

README.md

@@ -1,5 +1,11 @@
+# Overview
+
 Usage: run `install.sh` to install Podman and custom scripts.
 
 Use `pdm-build` to build a container, `pdm-launch` to launch a container, and `pdm-shell` to run a shell on a container. All three commands can be invoked with a `-h` to print extented instructions.
 
 build files for each container type are in the directory of the corresponding name.
+
+# System Configuration
+
+The containers expect volumes to be mounted to be in `/srv/vol/<container name>/`