Fix for k8gb.io mixed content warnings

[somaritane]

Fixing mixed content warnings on visiting k8gb.io website:

Mixed Content: The page at 'https://www.k8gb.io/' was loaded over HTTPS, but requested an insecure element 'http://img.youtube.com/vi/MluFlwPFZws/hqdefault.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
(index):2 Mixed Content: The page at 'https://www.k8gb.io/' was loaded over HTTPS, but requested an insecure element 'http://img.youtube.com/vi/5pe3ezSnVI8/hqdefault.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
(index):2 Mixed Content: The page at 'https://www.k8gb.io/' was loaded over HTTPS, but requested an insecure element 'http://img.youtube.com/vi/5DhO9C2NCrk/0.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
(index):2 Mixed Content: The page at 'https://www.k8gb.io/' was loaded over HTTPS, but requested an insecure element 'http://img.youtube.com/vi/jeUeRQM-ZyM/0.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
(index):1 Mixed Content: The page at 'https://www.k8gb.io/' was loaded over HTTPS, but requested an insecure element 'http://img.youtube.com/vi/MluFlwPFZws/hqdefault.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
(index):1 Mixed Content: The page at 'https://www.k8gb.io/' was loaded over HTTPS, but requested an insecure element 'http://img.youtube.com/vi/5pe3ezSnVI8/hqdefault.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
(index):1 Mixed Content: The page at 'https://www.k8gb.io/' was loaded over HTTPS, but requested an insecure element 'http://img.youtube.com/vi/5DhO9C2NCrk/0.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
(index):1 Mixed Content: The page at 'https://www.k8gb.io/' was loaded over HTTPS, but requested an insecure element 'http://img.youtube.com/vi/jeUeRQM-ZyM/0.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html

https://developer.mozilla.org/en-US/docs/Web/Security/Mixed_content/How_to_fix_website_with_mixed_content

Signed-off-by: Timofey Ilinykh [email protected]

[kuritka]

Watching github preview and would be nice to align,
Consider central alignment:

| Tables   |      Are      |  Cool |
|----------|:-------------:|------:|
| col 1 is |  left-aligned | $1600 |
| col 2 is |    centered   |   $12 |
| col 3 is | right-aligned |    $1 |

[somaritane]

Watching github preview and would be nice to align,
Consider central alignment:

| Tables   |      Are      |  Cool |
|----------|:-------------:|------:|
| col 1 is |  left-aligned | $1600 |
| col 2 is |    centered   |   $12 |
| col 3 is | right-aligned |    $1 |

@kuritka amended, also using a compact format from www.tablesgenerator.com/markdown_tables to make markdown looking simpler in editor.