create a default Schema containing a paragraph

wax-prosemirror-schema/defaultSchema.js

+const pDOM = ["p", 0];
+const defaultSchema = {
+  doc: {
+    content: "block+"
+  },
+
+  paragraph: {
+    content: "inline*",
+    group: "block",
+    parseDOM: [{ tag: "p" }],
+    toDOM() {
+      return pDOM;
+    }
+  }
+};
+
+export default defaultSchema;