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/deploy/activepieces-helm/templates/secret.yaml

@@ -0,0 +1,24 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "activepieces.fullname" . }}-secrets
+  labels:
+    {{- include "activepieces.labels" . | nindent 4 }}
+  annotations:
+    secret-generator.v1.mittwald.de/autogenerate: encryption-key
+    secret-generator.v1.mittwald.de/encoding: hex
+    secret-generator.v1.mittwald.de/length: "32"
+type: Opaque
+data: {}
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "activepieces.fullname" . }}-jwt-secret
+  labels:
+    {{- include "activepieces.labels" . | nindent 4 }}
+  annotations:
+    secret-generator.v1.mittwald.de/autogenerate: jwt-secret
+    secret-generator.v1.mittwald.de/length: "64"
+type: Opaque
+data: {}