[Bug] Separate CheckInternetConnection from GetExternalIpAddress

[svenvg93]

📃 Description

This PR adds and CheckInternetConnection action that checks if the Internet connections is active before starting the test.

Closes: #2111

🪵 Changelog

➕ Added

• Add CheckInternetConnection action to check for a http 200 code
• Config option to specify the site to use.

✏️ Changed

• Remove GetExternalIpAddress for the internet check

Docs pr: alexjustesen/speedtest-tracker-docs#71

[armond-avanes]

@svenvg93 Great job! Is it possible for you to add this new environment variable to the following list?
https://docs.speedtest-tracker.dev/getting-started/environment-variables

[svenvg93]

@svenvg93 Great job! Is it possible for you to add this new environment variable to the following list? https://docs.speedtest-tracker.dev/getting-started/environment-variables

It is already added, it’s the SPEEDTEST_CHECKINTERNET_URL 😊

[armond-avanes]

@svenvg93 Great job! Is it possible for you to add this new environment variable to the following list? https://docs.speedtest-tracker.dev/getting-started/environment-variables

It is already added, it’s the SPEEDTEST_CHECKINTERNET_URL 😊

Thanks! Yes, you're right. It's already there. Not sure how I missed it! 😁