feat: integrate node-html-parser for HTML fetching and parsing

- Added node-html-parser as a dependency for parsing HTML content.
- Implemented fetch-html script to fetch and parse HTML from a specified URL.
- Updated script sandbox to allow the use of node-html-parser.
- Created a new workflow for fetching data from dev.to, including configuration for URL and selectors.
- Updated package.json to include node-html-parser in server package dependencies.

packages/server/workflows/default/fetch-devto.yaml

@@ -0,0 +1,12 @@
+name: fetch-devto
+scripts:
+  - script: fetch-html.js
+    config:
+      url: https://dev.to/t/productivity/top/week
+      selector: "#substories h2"
+      outputVar: titles
+      jsonata: "$[].text"
+triggers:
+  - type: HTTP
+    method: POST
+    path: /fetch-dev-to

packages/server/workflows/default/registers.yaml

@@ -2,4 +2,5 @@ scripts:
   - time-to-ntfy-example.yaml
   - test.yaml
   - manual-trigger.yaml
-  - cron-example.yaml
+  - cron-example.yaml
+  - fetch-devto.yaml