work on auto-generating parts of docs from JSONSchema

src/content/docs/processors/script/expr.mdx

@@ -4,12 +4,11 @@ sidebar:
   label: Expr
   order: 2
 ---
+import SchemaInfo from '../../../../components/SchemaInfo.astro';
 
 The processor will execute the provided Expr expression and return the result as the new payload. This processor will return an error if the expression cannot be executed or if there is an error during execution. The expression will have access to the [wrapped payload](/concepts/payloads).
 
-- **type**: `script.expr`
-- **params**:
-  - **expression**: the Expr expressiont to execute.
+<SchemaInfo type="processor" id="script.expr"/>
 
 ### Example