feat: reintroducing table cell schema changes [TOL-2249]

packages/rich-text-types/src/nodeTypes.ts

@@ -207,11 +207,20 @@ export interface TableCell extends Block {
   /**
    * @minItems 1
    */
-  content: Paragraph[];
+  content: (Paragraph | OrderedList | UnorderedList)[];
 }
 
+// Notice that this is only exported and not reused anywhere else in this file
+// this is because this we only want this interface to generate the schema
+// if we end up decouping the header cell from the regular cell we
+// end up with unwanted side effects when validating the schema in @contentful/validation
 export interface TableHeaderCell extends TableCell {
   nodeType: BLOCKS.TABLE_HEADER_CELL;
+
+  /**
+   * @minItems 1
+   */
+  content: Paragraph[];
 }
 
 // An abstract table row can have both table cell types