Milestone 0: import zappier billing, Verae middleware, and Zapier research

Compose-ready workspace: packages/zappier (rate card, portal, Stripe),
packages/verae-zapier-middleware (timestamp + NATS), packages/verae-zapier
(CLI app), vendor/zapier-platform, and research/zapier vendor corpus.

Gate 0 structure checks pass. Product code and research are not yet wired.

vendor/zapier-platform/example-apps/babel/.babelrc

@@ -0,0 +1,13 @@
+{
+  "presets": [
+    [
+      "env",
+      {
+        "targets": {
+          "node": 6
+        }
+      }
+    ]
+  ],
+  "plugins": ["transform-regenerator", "add-module-exports"]
+}