Docs/fix broken links

[f-hollow]

Description

This PR is to:

• Fix some broken internal links (tested manually)
• Decide what to do with the remaining broken links left after chore: fix broken or outdated links #550 and fix: update relative links in assignments and lectures for consistency #555 (might require updating content)

Related

Testing

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Checklist

Before submitting a Pull Request, please ensure the following:

• 🚨 This PR does not introduce breaking changes.
• All CI checks (GH Actions) pass.
• Documentation is updated as needed.
• Tests are updated or added as necessary.
• Code is well-commented, especially in complex areas.
• Git history is clean — commits are squashed to the minimum necessary.

[f-hollow]

The remaining links to be fixed as of now:

[./content/blog/announcing-the-arduino-esp32-core-version-3-0-0/index.md]:
[ERROR] https://app.gitter.im/#/room/#espressif_arduino-esp32:gitter.im | Cannot find fragment: Fragment not found in document. Check if fragment exists or page structure

[./content/blog/august-2018/index.md]:
[403] https://www.zerynth.com/blog/zerynth-and-xinabox-partnership-brings-an-innovative-iot-toolkit/ | Rejected status code (this depends on your "accept" configuration): Forbidden

[./content/blog/espressif-devkits-with-wsl2/index.md]:
[TIMEOUT] https://openocd.org/ | Timeout

[./content/blog/june-2019/index.md]:
[500] https://pycom.io/ | Rejected status code (this depends on your "accept" configuration): Internal Server Error

[./content/blog/march-2022/index.md]:
[404] https://www.smarthomeexpo.in/why-smart-home-expo.php | Rejected status code (this depends on your "accept" configuration): Not Found

[./content/blog/may-2020/index.md]:
[ERROR] https://esp32.com/viewtopic.php?f=2&t=15565&p=59571#p59571 | Cannot find fragment: Fragment not found in document. Check if fragment exists or page structure

[./content/blog/november-2018/index.md]:
[TIMEOUT] https://www.midoriya.co.jp/en/service/engineering/ | Timeout

[./content/blog/october-2018/index.md]:
[ERROR] https://time4ee.com/news.php?readmore=409 | Network error: SSL certificate expired. Site needs to renew certificate

[pedrominatel]

I've tested the links and here is what I got.

The remaining links to be fixed as of now:

[./content/blog/announcing-the-arduino-esp32-core-version-3-0-0/index.md]: [ERROR] https://app.gitter.im/#/room/#espressif_arduino-esp32:gitter.im | Cannot find fragment: Fragment not found in document. Check if fragment exists or page structure

No issues with https://app.gitter.im/#/room/#espressif_arduino-esp32:gitter.im
Maybe this is the one for sharing: https://matrix.to/#/#espressif_arduino-esp32:gitter.im

[./content/blog/august-2018/index.md]: [403] https://www.zerynth.com/blog/zerynth-and-xinabox-partnership-brings-an-innovative-iot-toolkit/ | Rejected status code (this depends on your "accept" configuration): Forbidden

Post does not exists, change to https://zerynth.com/

[./content/blog/espressif-devkits-with-wsl2/index.md]: [TIMEOUT] https://openocd.org/ | Timeout

No issues with https://openocd.org/

[./content/blog/june-2019/index.md]: [500] https://pycom.io/ | Rejected status code (this depends on your "accept" configuration): Internal Server Error

Use this: https://docs.pycom.io/

[./content/blog/march-2022/index.md]: [404] https://www.smarthomeexpo.in/why-smart-home-expo.php | Rejected status code (this depends on your "accept" configuration): Not Found

Change to https://www.smarthomeexpo.in/

[./content/blog/may-2020/index.md]: [ERROR] https://esp32.com/viewtopic.php?f=2&t=15565&p=59571#p59571 | Cannot find fragment: Fragment not found in document. Check if fragment exists or page structure

Try this: https://esp32.com/viewtopic.php?f=2&t=15565

[./content/blog/november-2018/index.md]: [TIMEOUT] https://www.midoriya.co.jp/en/service/engineering/ | Timeout

No issues with https://www.midoriya.co.jp/en/service/engineering/
If we have issues, remove the link, it's an old article.

[./content/blog/october-2018/index.md]: [ERROR] https://time4ee.com/news.php?readmore=409 | Network error: SSL certificate expired. Site needs to renew certificate

Remove the link, it's an old article.