v0.4.0

What's Changed

• Unify ident symbols into common variables by @orionmiz in #12
• Bind props positions in struct by @orionmiz in #13
• Fill missing specifier for importing page by @orionmiz in #15
• Reduce duplicate codes by @orionmiz in #14
• Provide default plugin config by @orionmiz in #16
• Initialize position holders to default values by @orionmiz in #17
• Refactor transformter struct by @orionmiz in #19
• Support transforming getInitialProps by @orionmiz in #20
• Push page module item later by @orionmiz in #21
• Update README.md by @orionmiz in #22
• Fix typo by @orionmiz in #23

Full Changelog: v0.3.0...v0.4.0