Initial telemetry extension (#1067)

* initial telemetry extension

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

* Fix preferences saving and default value

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

Co-authored-by: Lauri Nevala <lauri.nevala@gmail.com>

extensions/telemetry/renderer.tsx

@@ -0,0 +1,30 @@
+import { AppPreferenceRegistry, LensRendererExtension } from "@lens/ui-extensions";
+import { TelemetryPreferencesStore } from "./src/telemetry-preferences-store"
+import { TelemetryPreferenceHint, TelemetryPreferenceInput } from "./src/telemetry-preference"
+import React from "react"
+
+export default class TelemetryRendererExtension extends LensRendererExtension {
+  protected preferencesStore: TelemetryPreferencesStore
+
+  async onActivate() {
+    console.log("telemetry extension activated")
+    this.preferencesStore = TelemetryPreferencesStore.getInstance<TelemetryPreferencesStore>()
+    await this.preferencesStore.load()
+  }
+
+  registerAppPreferences(registry: AppPreferenceRegistry) {
+    this.disposers.push(
+      registry.add({
+        title: "Telemetry & Usage Tracking",
+        components: {
+          Hint: () => <TelemetryPreferenceHint />,
+          Input: () => <TelemetryPreferenceInput telemetry={this.preferencesStore} />
+        }
+      })
+    )
+  }
+
+  onDeactivate() {
+    console.log("telemetry extension deactivated")
+  }
+}