moved volumes section into a new configuration section

README.md

@@ -29,6 +29,13 @@ Available on [Quay](https://quay.io) as:
 * Built with exploit mitigations enabled (see [Security](#Security))
 
 
+## Configuration
+
+### Volumes
+
+- Bind your **configuration file** at `/etc/nginx/nginx.conf`.
+
+
 ## Building
 
 To build the `glibc`-based image:
@@ -100,11 +107,6 @@ Other examples:
 - `bash tests/checksec.sh nginx /usr/sbin/nginx`
 
 
-## Volumes
-
-- Bind your **configuration file** at `/etc/nginx/nginx.conf`.
-
-
 ## Filesystem
 
 The images' contents are: