Extension store base class + rename main/renderer-extensions -> extensions (#1107)

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

src/renderer/bootstrap.tsx

@@ -1,8 +1,8 @@
 import "./components/app.scss"
 import React from "react";
 import * as Mobx from "mobx"
-import * as LensMainExtensions from "../extensions/extension-api"
-import * as LensRendererExtensions from "../extensions/extension-renderer-api"
+import * as MobxReact from "mobx-react"
+import * as LensExtensions from "../extensions/extension-api"
 import { render, unmountComponentAtNode } from "react-dom";
 import { isMac } from "../common/vars";
 import { userStore } from "../common/user-store";
@@ -20,8 +20,8 @@ type AppComponent = React.ComponentType & {
 export {
   React,
   Mobx,
-  LensRendererExtensions,
-  LensMainExtensions
+  MobxReact,
+  LensExtensions
 }
 
 export async function bootstrap(App: AppComponent) {