Broken links to Guidelines and Slack

[alexandear]

The links that were fixed by #32 are still broken on https://securego.io/

Looks like it's needed to fix links in the site's footer.

❯ linkchecker https://securego.io
INFO linkcheck.cmdline 2024-12-14 15:31:20,532 MainThread Checking intern URLs only; use --check-extern to check extern URLs.
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Start checking at 2024-12-14 15:31:20+003
10 threads active,     5 links queued,    9 links in  24 URLs checked, runtime 1 seconds

URL        `/docs/guidelines.html'
Name       `Secure development guidelines'
Parent URL https://securego.io, line 1, col 3193
Real URL   https://securego.io/docs/guidelines.html
Check time 3.015 seconds
Size       1KB
Result     Error: 404 Not Found

URL        `/blog'
Name       `Blog'
Parent URL https://securego.io, line 1, col 3550
Real URL   https://securego.io/blog/
Check time 3.401 seconds
D/L time   0.000 seconds
Size       7KB
Warning    [http-redirected] Redirected to
           `https://securego.io/blog/' status: 301 Moved
           Permanently.
Result     Valid: 200 OK
 9 threads active,     0 links queued,   25 links in  34 URLs checked, runtime 6 seconds

URL        `/docs/en/guidelines.html'
Name       `Secure development guidelines'
Parent URL https://securego.io/docs/rules/rule-intro, line 60, col 421
Real URL   https://securego.io/docs/en/guidelines.html
Check time 2.607 seconds
Size       1KB
Result     Error: 404 Not Found

Statistics:
Downloaded: 181.02KB.
Content types: 3 image, 18 text, 0 video, 0 audio, 4 application, 0 mail and 24 other.
URL lengths: min=19, max=82, avg=41.

That's it. 49 links in 49 URLs checked. 1 warning found. 2 errors found.
Stopped checking at 2024-12-14 15:31:30+003 (9 seconds)