chore: Move editor into codebase (#2930)

shared/editor/nodes/TableRow.ts

@@ -0,0 +1,23 @@
+import { NodeSpec } from "prosemirror-model";
+import Node from "./Node";
+
+export default class TableRow extends Node {
+  get name() {
+    return "tr";
+  }
+
+  get schema(): NodeSpec {
+    return {
+      content: "(th | td)*",
+      tableRole: "row",
+      parseDOM: [{ tag: "tr" }],
+      toDOM() {
+        return ["tr", 0];
+      },
+    };
+  }
+
+  parseMarkdown() {
+    return { block: "tr" };
+  }
+}