[skip ci] update README

README.md

@@ -245,19 +245,23 @@ These are mostly for internal use in various plugins: `babel-helper-x`.
 
 ## Team
 
+### Core members
+
 [![Babel](https://avatars.githubusercontent.com/u/9637642?s=64)](https://github.com/babel) | [![Daniel Tschinder](https://avatars.githubusercontent.com/u/231804?s=64)](https://github.com/danez) | [![Logan Smyth](https://avatars.githubusercontent.com/u/132260?s=64)](https://github.com/loganfsmyth) | [![Henry Zhu](https://avatars.githubusercontent.com/u/588473?s=64)](https://github.com/hzoo) | 
 |---|---|---|---|---|
 Babel | Daniel Tschinder | Logan Smyth | Henry Zhu |
 :octocat: [@babel](https://github.com/babel) | [@danez](https://github.com/danez) | [@loganfsmyth](https://github.com/loganfsmyth) | [@hzoo](https://github.com/hzoo) |
 :bird: [@babeljs](https://twitter.com/babeljs) | [@TschinderDaniel](https://twitter.com/TschinderDaniel) | [@loganfsmyth](https://twitter.com/loganfsmyth) | [@left_pad](https://twitter.com/left_pad) |
 
+### Members
+
 [![Andrew Levine](https://avatars.githubusercontent.com/u/5233399?s=64)](https://github.com/drewml) | [![Boopathi Rajaa](https://avatars.githubusercontent.com/u/294474?s=64)](https://github.com/boopathi) | [![Brian Ng](https://avatars.githubusercontent.com/u/56288?s=64)](https://github.com/existentialism) | [![Dan Harper](https://avatars.githubusercontent.com/u/510740?s=64)](https://github.com/danharper) | [![Diogo Franco](https://avatars.githubusercontent.com/u/73085?s=64)](https://github.com/kovensky) | [![Juriy Zaytsev](https://avatars.githubusercontent.com/u/383?s=64)](https://github.com/kangax) | [![Kai Cataldo](https://avatars.githubusercontent.com/u/7041728?s=64)](https://github.com/kaicataldo) | [![Moti Zilberman](https://avatars.githubusercontent.com/u/2246565?s=64)](https://github.com/motiz88) | [![Sven Sauleau](https://avatars3.githubusercontent.com/u/1493671?s=64)](https://github.com/xtuc) |
 |---|---|---|---|---|---|---|---|---|
 | Andrew Levine | Boopathi Rajaa | Brian Ng | Dan Harper | Diogo Franco | Juriy Zaytsev | Kai Cataldo | Moti Zilberman | Sven Sauleau | 
 | [@drewml](https://github.com/drewml) | [@boopathi](https://github.com/boopathi) | [@existentialism](https://github.com/existentialism) | [@danharper](https://github.com/danharper) | [@kovensky](https://github.com/kovensky) | [@kangax](https://github.com/kangax) | [@kaicataldo](https://github.com/kaicataldo) | [@motiz88](https://github.com/motiz88) | [@xtuc](https://github.com/xtuc) |
 | [@drewml](https://twitter.com/drewml) | [@heisenbugger](https://twitter.com/heisenbugger) | [@existentialism](https://twitter.com/existentialism) | [@DanHarper7](https://twitter.com/DanHarper7) | [@kovnsk](https://twitter.com/kovnsk) | [@kangax](https://twitter.com/kangax) | [@kai_cataldo](https://twitter.com/kai_cataldo) | [@motiz88](https://twitter.com/motiz88) | [@svensauleau](https://twitter.com/svensauleau) |
 
-### Inactive
+### Inactive members
 
 [![Amjad Masad](https://avatars.githubusercontent.com/u/587518?s=64)](https://github.com/amasad) | [![James Kyle](https://avatars.githubusercontent.com/u/952783?s=64)](https://github.com/thejameskyle) | [![Jesse McCarthy](https://avatars.githubusercontent.com/u/129203?s=64)](https://github.com/jmm) | [![Sebastian McKenzie](https://avatars.githubusercontent.com/u/853712?s=64)](https://github.com/kittens) (Creator) | 
 |---|---|---|---|