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/oauth1-tumblr/triggers/like.js

@@ -0,0 +1,35 @@
+const perform = async (z, bundle) => {
+  const url = 'https://api.tumblr.com/v2/user/likes';
+  const response = await z.request(url);
+  const result = response.data;
+  return result.response.liked_posts || [];
+};
+
+module.exports = {
+  key: 'like',
+  noun: 'Like',
+
+  display: {
+    label: 'New Like',
+    description: 'Triggers when you like a post.',
+  },
+
+  operation: {
+    perform,
+    sample: {
+      blog_name: 'citriccomics',
+      id: 3507845453,
+      post_url: 'https://citriccomics.tumblr.com/post/3507845453',
+      type: 'text',
+      date: '2011-02-25 20:27:00 GMT',
+      timestamp: 1298665620,
+      state: 'published',
+      format: 'html',
+      reblog_key: 'b0baQtsl',
+      tags: ['tumblrize', 'milky dog', 'mini comic'],
+      note_count: 14,
+      title: 'Milky Dog',
+      body: '<p>Example body.</p>',
+    },
+  },
+};