Expose react to extensions (#1000)

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

extensions/example-extension/.gitignore

@@ -0,0 +1 @@
+*.js

extensions/example-extension/example-extension.tsx

@@ -1,5 +1,4 @@
-import { Button, DynamicPageType, Icon, IconProps, LensExtension } from "@lens/extensions";
+import { Button, DynamicPageType, Icon, IconProps, LensExtension, React } from "@lens/extensions";
-import React from "react";
 import path from "path";
 
 export default class ExampleExtension extends LensExtension {

src/extensions/extension-api.ts

@@ -6,6 +6,7 @@ export * from "./lens-extension"
 export { DynamicPageType } from "./register-page";
 
 // TODO: add more common re-usable UI components + refactor interfaces (Props -> ComponentProps)
+export { default as React } from "react"
 export * from "../renderer/components/icon"
 export * from "../renderer/components/tooltip"
 export * from "../renderer/components/button"