Add Activepieces integration for workflow automation

- Add Activepieces fork with SmoothSchedule custom piece
- Create integrations app with Activepieces service layer
- Add embed token endpoint for iframe integration
- Create Automations page with embedded workflow builder
- Add sidebar visibility fix for embed mode
- Add list inactive customers endpoint to Public API
- Include SmoothSchedule triggers: event created/updated/cancelled
- Include SmoothSchedule actions: create/update/cancel events, list resources/services/customers

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

activepieces-fork/packages/pieces/community/shippo/src/index.ts

@@ -0,0 +1,20 @@
+import { createPiece } from '@activepieces/pieces-framework';
+
+import { shippoAuth } from './lib/auth';
+import { createOrder } from './lib/actions/create-order';
+import { findOrder } from './lib/actions/find-order';
+import { findShippingLabel } from './lib/actions/find-shipping-label';
+import { newShippingLabel } from './lib/triggers/new-shipping-label';
+import { newOrder } from './lib/triggers/new-order';
+
+export const shippo = createPiece({
+  displayName: 'Shippo',
+  description:
+    'Multi-carrier shipping platform for real-time rates, labels, and tracking',
+  auth: shippoAuth,
+  minimumSupportedRelease: '0.36.1',
+  logoUrl: 'https://cdn.activepieces.com/pieces/shippo.png',
+  authors: ['SinghaAnirban005', 'sanket-a11y'],
+  actions: [createOrder, findOrder, findShippingLabel],
+  triggers: [newShippingLabel, newOrder],
+});