add language hints to code blocks

src/content/docs/processors/artnet/decode.md

@@ -10,6 +10,6 @@ sidebar:
 This processor will decode incoming bytes into an ArtNet packet. This processor will return an error if the message being processed is not an array of bytes.
 
 ### Example
-```
+```yaml
 - type: artnet.packet.decode
 ```

src/content/docs/processors/artnet/encode.md

@@ -9,6 +9,6 @@ sidebar:
 This processor will encode an ArtNet packet into an array of bytes. This processor will return an error if the message being processed is not an ArtNet packet.
 
 ### Example
-```
+```yaml
 - type: artnet.packet.encode
 ```