Swap to eslint (#154)

* 311 problems (173 errors, 138 warnings)

* Make a start...

* swap to react config

* Literally a handful left

* Clean.

* any removal

* Use Record

* Adjust versions

* Update with latest eslint-standard ruleset

* Update defaults.ts

packages/ui-keyring/src/observable/index.ts

@@ -2,6 +2,8 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
+import { SubjectInfo } from './types';
+
 import { combineLatest } from 'rxjs';
 import { map } from 'rxjs/operators';
 
@@ -9,12 +11,18 @@ import accounts from './accounts';
 import addresses from './addresses';
 import contracts from './contracts';
 
+interface Result {
+  accounts: SubjectInfo;
+  addresses: SubjectInfo;
+  contracts: SubjectInfo;
+}
+
 export default combineLatest(
   accounts.subject,
   addresses.subject,
   contracts.subject
 ).pipe(
-  map(([accounts, addresses, contracts]) => ({
+  map(([accounts, addresses, contracts]): Result => ({
     accounts,
     addresses,
     contracts