message: ref(ember): Allow initing Ember without config entry
  Using the config is only necessary if you want to change specific addon options now, and the docs are going to be updated to reflect this. Passing a config object to  should work without a config entry for sentry.
diff: @@ -17,6 +17,11 @@ export function InitSentryForEmber(_runtimeConfig: BrowserOptions | undefined) {
  assert('Missing configuration.', config);
  assert('Missing configuration for Sentry.', config.sentry || _runtimeConfig);
  + if (!config.sentry) {
  + // If environment config is not specified but the above assertion passes, use runtime config.
  + config.sentry = { ..._runtimeConfig } as any;
  + }
  +
  // Permanently merge options into config, preferring runtime config
  Object.assign(config.sentry, _runtimeConfig || {});
  const initConfig = Object.assign({}, config.sentry);
  