Move tracker to telemetry extension (#1092)

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

src/extensions/extension-api.ts

@@ -4,3 +4,6 @@ export type { LensExtensionRuntimeEnv } from "./lens-runtime";
 // APIs
 export * from "./lens-main-extension"
 export { BaseStore } from "../common/base-store"
+export { appEventBus } from "../common/event-bus"
+export type { AppEvent } from "../common/event-bus"
+export { Singleton } from "../common/utils"

src/extensions/extension-renderer-api.ts

@@ -6,6 +6,9 @@ export * from "./lens-extension"
 export * from "./lens-renderer-extension"
 export { DynamicPageType, PageRegistry } from "./page-registry"
 export { AppPreferenceRegistry } from "./app-preference-registry"
+export { appEventBus } from "../common/event-bus"
+export type { AppEvent } from "../common/event-bus"
+export { Singleton } from "../common/utils"
 
 // TODO: add more common re-usable UI components + refactor interfaces (Props -> ComponentProps)
 export * from "../renderer/components/icon"