Update documentation

Author: robertcheramy

README.md

@@ -101,7 +101,7 @@ gem install oxidized-script # Script-based input/output extensions
 ```
 
 ### Rocky Linux, Red Hat Enterprise Linux
-These instructions has been verified on Rocky Linux 9.3 and Fedora.
+These instructions has been verified on Rocky Linux 9, Rocky Linux 10 and Fedora.
 
 On Rocky Linux 9, you need to install/enable EPEL, CRB and Ruby 3.1:
 ```shell

docs/Configuration.md

@@ -495,6 +495,13 @@ using the following substitution templates:
   - `%{minute}`: current minute, zero-padded
   - `%{second}`: current second, zero-padded
 
+Example:
+```yaml
+vars:
+  metadata: true
+  metadata_top: "%{comment}Model: %{model}; Device %{name} [%{ip}] at %{year}-%{month}-%{day} %{hour}:%{minute}:%{second}\n"
+```
+
 ### Customize metadata in models
 When writing a custom metadata for a model, you can default to
 `vars("metadata_*")` or the model default. You need to interpolate the strings