add language hints to code blocks

src/content/docs/processors/free-d/create.md

@@ -21,7 +21,7 @@ This processor will create a new FreeD message with the specified parameters.
 
 
 ### Example
-```
+```yaml
 - type: free.d.create
   params:
     id: "1"

src/content/docs/processors/free-d/decode.md

@@ -10,6 +10,6 @@ This processor will decode incoming bytes into a FreeD message. This processor w
 - **type**: `free.d.decode`
 
 ### Example
-```
+```yaml
 - type: free.d.decode
 ```

src/content/docs/processors/free-d/encode.md

@@ -10,6 +10,6 @@ This processor will encode a FreeD message into an array of bytes. This processo
 - **type**: `free.d.encode`
 
 ### Example
-```
+```yaml
 - type: free.d.encode
 ```