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/formspark/src/index.ts

@@ -0,0 +1,14 @@
+import { createPiece, PieceAuth } from '@activepieces/pieces-framework';
+import { PieceCategory } from '@activepieces/shared';
+import { newSubmissionTrigger } from './lib/triggers/new-submission.trigger';
+
+export const formspark = createPiece({
+  displayName: 'Formspark',
+  auth: PieceAuth.None(),
+  categories: [PieceCategory.FORMS_AND_SURVEYS],
+  minimumSupportedRelease: '0.36.1',
+  logoUrl: 'https://cdn.activepieces.com/pieces/formspark.png',
+  authors: ['kishanprmr'],
+  actions: [],
+  triggers: [newSubmissionTrigger],
+});