Add instructions for netbox_secrets since netbox_secretstore is not compatible with Netbox > 3.5

Using-Netbox-Plugins.md

@@ -12,7 +12,12 @@ Lets start with a fresh install of netbox-docker.
 ### `plugin_requirements.txt`
 This file contains a list of the NetBox Plugins (as **PyPi Python Packages**) to be installed during the building of the Docker image.
 
-For Example:
+Add _netbox-secrets_ If you are using Netbox > 3.5:
+```
+netbox-secrets
+```
+
+or add _netbox-secretstore_ If you are using Netbox < 3.5:
 ```
 netbox-secretstore
 ```
@@ -63,6 +68,19 @@ services:
 
 To get plugins to work within NetBox you need to add some configuration to `configuration/plugins.py`.
 
+For Netbox > 3.5:
+
+```python
+PLUGINS = ["netbox_secrets"]
+
+# PLUGINS_CONFIG = {
+#   "netbox_secretstore": {
+#     ADD YOUR SETTINGS HERE
+#   }
+# }
+```
+
+or for Netbox < 3.5:
 ```python
 PLUGINS = ["netbox_secretstore"]
 
@@ -72,6 +90,7 @@ PLUGINS = ["netbox_secretstore"]
 #   }
 # }
 ```
+
 > NOTE: This can differ for every plugin. To learn more about this see the [NetBox documentation](https://netbox.readthedocs.io/en/stable/plugins/#enable-the-plugin).
 
 ## Step 4 - Build and Deploy!