docs: Fixed broken links

[yutachaos]

Fixed some broken links.

[cleptric]

Thank you!

[codecov]

Codecov Report

Base: 84.19% // Head: 83.94% // Decreases project coverage by -0.25% ⚠️

Coverage data is based on head (b2cdcf6) compared to base (4fad7b7).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #541      +/-   ##
==========================================
- Coverage   84.19%   83.94%   -0.25%     
==========================================
  Files          23       23              
  Lines        2816     2816              
==========================================
- Hits         2371     2364       -7     
- Misses        365      370       +5     
- Partials       80       82       +2     

Impacted Files	Coverage Δ
integrations.go	89.01% <0.00%> (-2.32%)	⬇️
transport.go	78.37% <0.00%> (-0.85%)	⬇️

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