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/issue.js

@@ -0,0 +1,59 @@
+const sample = require('../samples/sample_issue');
+
+const triggerIssue = (z, bundle) => {
+  const responsePromise = z.request({
+    method: 'GET',
+    url: `https://api.github.com/repos/${bundle.inputData.repo}/issues`,
+    params: {
+      filter: bundle.inputData.filter,
+      state: bundle.inputData.state,
+      sort: 'updated',
+      direction: 'desc',
+    },
+  });
+  return responsePromise.then((response) => response.data);
+};
+
+module.exports = {
+  key: 'issue',
+  noun: 'Issue',
+
+  display: {
+    label: 'New Issue',
+    description: 'Triggers on a new issue.',
+  },
+
+  operation: {
+    inputFields: [
+      {
+        key: 'repo',
+        label: 'Repo',
+        required: true,
+        dynamic: 'repo.full_name.full_name',
+      },
+      {
+        key: 'filter',
+        required: false,
+        label: 'Filter',
+        choices: {
+          assigned: 'assigned',
+          created: 'created',
+          mentioned: 'mentioned',
+          subscribed: 'subscribed',
+          all: 'all',
+        },
+        helpText: 'Default is "assigned"',
+      },
+      {
+        key: 'state',
+        required: false,
+        label: 'State',
+        choices: { open: 'open', closed: 'closed', all: 'all' },
+        helpText: 'Default is "open"',
+      },
+    ],
+    perform: triggerIssue,
+
+    sample: sample,
+  },
+};