feat: add article on ESP32 TagoTiP cloud connectivity

[vitorfdl]

📝 Description

• New article: Connecting an ESP32 to the Cloud — a tutorial showing how to send sensor data from an ESP32 to the cloud using a single UDP datagram with the TagoTiP open specification, replacing the typical HTTP/JSON/TLS approach with a compact ~130-byte frame.
• Adds author entry for Fabio Tago (partner, TagoIO).

Publish date

Expected publish date: 2026-04-07

Review process

• Initiate technical review
  • This item is N/A
  • Add subject matter experts (your team members, experts in the field)
• Once tech review mostly done, initiate editorial review
  • Add technical editors (@f-hollow, @FBEZ, and/or @pedrominatel)

Checks

• Article folder and file names:
  • Folder path is content/blog/2026/03/esp32-tagotip-cloud-connectivity
  • Folder and file names have no underscores, spaces, or uppercase letters
• New article's YAML frontmatter:
  • Title updated
  • Date matches the format date: 2026-03-25
  • Summary updated
  • Authors added (fabio-tago)
  • Tags added (ESP32, IoT, UDP, Cloud)
• Updated article's YAML frontmatter:
  • This item is N/A
• Article media files:
  • All images are in .WebP format
  • Featured image is ~21 KB, author image is ~7 KB (well within limits)
  • No raw HTML used — article is pure markdown with code blocks and tables
• Links in articles
  • All links are valid external links (GitHub repos, TagoIO docs)
  • No links to Google docs
  • No ESP-IDF version links used
• Git history
  • Single clean commit
  • Commit message follows Conventional Commits format
  • Feature branch is based on main

🔗 Related

• TagoTiP specification
• TagoTiP SDK

🧪 Testing (Hugo)

• I have run hugo server locally and verified there are no build errors.
• I have checked the rendered output on Desktop and Mobile view.
• I have verified that internal links and syntax highlighting work correctly.

[github-actions]

🎉 A preview for this PR is available at: https://preview-developer.espressif.com/pr686/

[f-hollow]

@vitorfdl Thank you for your article!

I was supposed to do an editorial review, but your article is impeccable. I enjoyed reading it!

Please update the article date and remove the default author.

Otherwise, LGTM!

[f-hollow]

This line adds a default author. I believe you don't need it.

Please remove this line:

Suggested change

showAuthor: true

[f-hollow]

Please do this:

• Update the date to 3 Apr, or some other day next week.
• Move the article to content/blog/2026/04/ folder.
• Rebase your branch on main.