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/react-ui/vite-plugins/html-plugin.js

@@ -0,0 +1,22 @@
+    /**
+     * Custom HTML plugin options.
+     * @typedef {Object} CustomHtmlPluginOptions
+     * @property {string} title - The title to be injected into the HTML.
+     * @property {string} icon - The icon URL to be set as the favicon.
+     */
+
+    /**
+     * @param {CustomHtmlPluginOptions} options
+     */
+    export default function customHtmlPlugin(options) {
+      return {
+        name: 'custom-html',
+          transformIndexHtml(html) {
+            let newHtml = html.replace(/<%= apTitle %>/g, options.title || '');
+            
+            newHtml = newHtml.replace(/<%= apFavicon %>/g, options.icon || '');
+
+            return newHtml;
+          },
+        };
+    }