initial telemetry extension

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

extensions/telemetry/src/telemetry-preference.tsx

@@ -0,0 +1,23 @@
+import { Checkbox } from "@lens/ui-extensions"
+import React from "react"
+import { TelemetryPreferencesStore } from "./telemetry-preferences-store"
+
+export class TelemetryPreferenceInput extends React.Component<{telemetry: TelemetryPreferencesStore}, {}> {
+  render() {
+    return (
+      <Checkbox
+        label="Allow telemetry & usage tracking"
+        value={this.props.telemetry.enabled}
+        onChange={v => this.props.telemetry.enabled = v}
+      />
+    )
+  }
+}
+
+export class TelemetryPreferenceHint extends React.Component {
+  render() {
+    return (
+      <span>Telemetry & usage data is collected to continuously improve the Lens experience.</span>
+    )
+  }
+}

extensions/telemetry/src/telemetry-preferences-store.ts

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+import { BaseStore } from "@lens/extensions";
+import { toJS } from "mobx"
+
+export type TelemetryPreferencesModel = {
+  enabled: boolean;
+}
+
+export class TelemetryPreferencesStore extends BaseStore<TelemetryPreferencesModel> {
+  private constructor() {
+    super({
+      configName: "telemetry-preferences-store",
+    })
+    this.data.enabled = true
+  }
+
+  get enabled() {
+    return this.data.enabled
+  }
+
+  set enabled(v: boolean) {
+    this.data.enabled = v
+  }
+
+  toJSON(): TelemetryPreferencesModel {
+    return toJS({
+      enabled: this.data.enabled
+    }, {
+      recurseEverything: true
+    })
+  }
+}