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/github/triggers/repo.js

@@ -0,0 +1,26 @@
+const sample = require('../samples/sample_repo_list');
+
+const triggerRepo = (z, bundle) => {
+  const responsePromise = z.request({
+    url: 'https://api.github.com/user/repos?per_page=100',
+  });
+  return responsePromise.then((response) => response.data);
+};
+
+module.exports = {
+  key: 'repo',
+  noun: 'Repo',
+
+  display: {
+    label: 'Get Repo',
+    hidden: true,
+    description:
+      'The only purpose of this trigger is to populate the dropdown list of repos in the UI, thus, it is hidden.',
+  },
+
+  operation: {
+    inputFields: [],
+    perform: triggerRepo,
+    sample: sample,
+  },
+};