parti

Results 3 issues of parti

**Description** Adds CreateXDeployer to the list of preinstalls. **Metadata** - Closes [#11389](https://github.com/ethereum-optimism/optimism/issues/11389)

**Description** Updates the `predeploys.md` file to include the `SuperchainERC20Factory` specs, as a follow up to the [Design Doc](https://github.com/ethereum-optimism/design-docs/pull/50) Closes [#10873](https://github.com/ethereum-optimism/optimism/issues/10873) Some comments and open questions: - I'm using past tense...