chore: import upstream snapshot with attribution

apps/sim/triggers/rss/index.ts

@@ -0,0 +1 @@
+export { rssPollingTrigger } from './poller'

apps/sim/triggers/rss/poller.ts

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+import { RssIcon } from '@/components/icons'
+import type { TriggerConfig } from '@/triggers/types'
+
+export const rssPollingTrigger: TriggerConfig = {
+  id: 'rss_poller',
+  name: 'RSS Feed Trigger',
+  provider: 'rss',
+  description: 'Triggers when new items are published to an RSS feed',
+  version: '1.0.0',
+  icon: RssIcon,
+  polling: true,
+
+  subBlocks: [
+    {
+      id: 'feedUrl',
+      title: 'Feed URL',
+      type: 'short-input',
+      placeholder: 'https://example.com/feed.xml',
+      description: 'The URL of the RSS or Atom feed to monitor',
+      required: true,
+      mode: 'trigger',
+    },
+    {
+      id: 'triggerInstructions',
+      title: 'Setup Instructions',
+      hideFromPreview: true,
+      type: 'text',
+      defaultValue: [
+        'Enter the URL of any RSS or Atom feed you want to monitor',
+        'The feed will be checked every minute for new items',
+        'When a new item is published, your workflow will be triggered with the item data',
+      ]
+        .map(
+          (instruction, index) =>
+            `<div class="mb-3"><strong>${index + 1}.</strong> ${instruction}</div>`
+        )
+        .join(''),
+      mode: 'trigger',
+    },
+  ],
+
+  outputs: {
+    item: {
+      title: {
+        type: 'string',
+        description: 'Item title',
+      },
+      link: {
+        type: 'string',
+        description: 'Item link/URL',
+      },
+      pubDate: {
+        type: 'string',
+        description: 'Publication date',
+      },
+      guid: {
+        type: 'string',
+        description: 'Unique identifier',
+      },
+      summary: {
+        type: 'string',
+        description: 'Item description/summary',
+      },
+      content: {
+        type: 'string',
+        description: 'Full content (content:encoded)',
+      },
+      contentSnippet: {
+        type: 'string',
+        description: 'Content snippet without HTML',
+      },
+      author: {
+        type: 'string',
+        description: 'Author name',
+      },
+      categories: {
+        type: 'json',
+        description: 'Categories/tags array',
+      },
+      enclosure: {
+        type: 'json',
+        description: 'Media attachment info (url, type, length)',
+      },
+      isoDate: {
+        type: 'string',
+        description: 'Publication date in ISO format',
+      },
+    },
+    feed: {
+      title: {
+        type: 'string',
+        description: 'Feed title',
+      },
+      link: {
+        type: 'string',
+        description: 'Feed website link',
+      },
+      feedDescription: {
+        type: 'string',
+        description: 'Feed description',
+      },
+    },
+    timestamp: {
+      type: 'string',
+      description: 'Event timestamp',
+    },
+  },
+}