Small docs fixes (#816)

Author: matthewlipski

examples/01-basic/06-file-uploading/App.tsx

@@ -33,6 +33,9 @@ export default function App() {
       {
         type: "image",
       },
+      {
+        type: "paragraph",
+      },
     ],
     uploadFile,
   });

examples/02-ui-components/03-formatting-toolbar-block-type-items/styles.css

@@ -4,7 +4,7 @@
     align-items: center;
     flex-grow: 1;
     border-radius: 4px;
-    height: 48px;
+    min-height: 48px;
     padding: 4px;
 }