add more core commands

packages/core/src/commands/newlineInCode.ts

@@ -0,0 +1,9 @@
+import { newlineInCode as originalNewlineInCode } from 'prosemirror-commands'
+import { Command } from '../types'
+
+/**
+ * Add a newline character in code.
+ */
+export const newlineInCode = (): Command => ({ state, dispatch }) => {
+  return originalNewlineInCode(state, dispatch)
+}