beb0ed1991
Summary: Implementation taken from: https://www.internalfb.com/code/fbsource/[85c1fe5afee7]/xplat/sonar/desktop/flipper-ui-core/src/fb/pluginMarketplaceAPI.tsx As with the previous diff, the marketplace API for flipper-server-core accesses the existing config in a different way and depends on FlipperServer, instead of User, to execute intern request as to obtain marketplace plugins. Reviewed By: passy Differential Revision: D37749775 fbshipit-source-id: 968ea3f7a412893f032e5a7a50ecf17c298e18ff