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/docs/handbook/hiring/hiring.mdx

@@ -0,0 +1,26 @@
+---
+title: "Our Hiring Process" 
+icon: 'user-plus'
+---
+
+Engineers are the majority of the Activepieces team, and we are always looking for highly talented product engineers.
+
+<Steps>
+  <Step title="Technical Interview">
+    Here, you'll face a real challenge from Activepieces. We'll guide you through it to see how you solve problems.
+  </Step>
+  <Step title="Product & Leadership Interview">
+    We'll chat about your past experiences and how you design products. It's like having a friendly conversation where we reflect on what you've done before.
+  </Step>
+  <Step title="Work Trial">
+    You'll do open source task for one day. This open source contribution task help us understand how well we work together.
+  </Step>
+</Steps>
+
+## Interviewing Tips
+
+Every interview should make us say **HELL YES**. If not, we'll kindly pass.
+
+**Avoid Bias:** Get opinions from others to make fair decisions.
+
+**Speak Up Early:** If you're unsure about something, ask or test it right away.