feat: CowSwap intent base swap

[dawnseeker8]

Explanation

⚠️ WARNING: This PR is still WIP, please don't merge. Detail description will be provided soon.

References

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've communicated my changes to consumers by updating changelogs for packages I've changed, highlighting breaking changes as necessary
• I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes

[dawnseeker8]

without this line, the yarn build in root directory will failed, which i don't know why, may be relative to @metamask/intent-manager didnt published to npm registry and still locall version.