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-assets/src/types.d.ts

@@ -3,6 +3,7 @@
 // of the Apache-2.0 license. See the LICENSE file for details.
 
 declare module '*.svg' {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const content: any;
   export default content;
 }