chore: move members list out of community repo (open-telemetry#460)

* chore: move members list out of community repo

* chore: minor

Author: mayurkale22

.github/CODEOWNERS

@@ -12,4 +12,4 @@
 #  https://help.github.com/en/articles/about-code-owners
 #
 
-* @iredelmeier @danielkhan @mayurkale22 @rochdev @bg451 @OlivierAlbertini @vmarchaud @markwolff
+* @danielkhan @mayurkale22 @rochdev @bg451 @OlivierAlbertini @vmarchaud @markwolff

README.md

@@ -44,6 +44,24 @@ We'd love your help!. Use tags [up-for-grabs][up-for-grabs-issues] and
 
 We have a weekly SIG meeting! See the [community page](https://github.com/open-telemetry/community#javascript-sdk) for meeting details and notes.
 
+Approvers ([@open-telemetry/js-approvers](https://github.com/orgs/open-telemetry/teams/javascript-approvers)):
+
+- [Yuri Shkuro](https://github.com/yurishkuro), Uber
+- [Roch Devost](https://github.com/rochdev), DataDog
+- [Brandon Gonzalez](https://github.com/bg451), LightStep
+- [Olivier Albertini](https://github.com/OlivierAlbertini), VilledeMontreal
+- [Valentin Marchaud](https://github.com/vmarchaud), Open Source Contributor
+- [Mark Wolff](https://github.com/markwolff), Microsoft
+
+*Find more about the approver role in [community repository](https://github.com/open-telemetry/community/blob/master/community-membership.md#approver).*
+
+Maintainers ([@open-telemetry/js-maintainers](https://github.com/orgs/open-telemetry/teams/javascript-maintainers))::
+
+- [Mayur Kale](https://github.com/mayurkale22), Google
+- [Daniel Khan](https://github.com/danielkhan), Dynatrace
+
+*Find more about the maintainer role in [community repository](https://github.com/open-telemetry/community/blob/master/community-membership.md#maintainer).*
+
 ## Packages
 
 ### API