feat: adds create-medusa-app (#377)

* feat: copied from medusa-cli

* chore: gitignore

* fix: add admin + storefront

* fix: dev experience enhancement

packages/create-medusa-app/src/track.ts

@@ -0,0 +1,47 @@
+import fetch from "node-fetch"
+import uuidv4 from "uuid/v4"
+import { getConfigStore } from "./get-config-store"
+
+const store = getConfigStore()
+const medusaCliVersion = require(`../package.json`).version
+
+const analyticsApi =
+  process.env.MEDUSA_TELEMETRY_API ||
+  `https://telemetry.medusa-commerce.com/batch`
+
+const getMachineId = (): string => {
+  let machineId = store.get(`telemetry.machine_id`)
+
+  if (typeof machineId !== `string`) {
+    machineId = uuidv4()
+    store.set(`telemetry.machine_id`, machineId)
+  }
+
+  return machineId
+}
+
+const sessionId = uuidv4()
+
+export const track = (eventType: string, args?: any): void => {
+  fetch(analyticsApi, {
+    method: `POST`,
+    headers: {
+      "content-type": `application/json`,
+      "user-agent": `create-medusa-app:${medusaCliVersion}`,
+    },
+    body: JSON.stringify({
+      timestamp: new Date(),
+      batch: [
+        {
+          type: eventType,
+          timestamp: new Date(),
+          sessionId,
+          machine_id: getMachineId(),
+          component_id: `create-medusa-app`,
+          cli_version: medusaCliVersion,
+          properties: args,
+        },
+      ],
+    }),
+  }).catch(() => {}) /* do nothing, it's telemetry */
+}