Add "logs" as supported signal in the design doc

[tigrannajaryan]

No description provided.

[codecov]

Codecov Report

Merging #5474 (1f3a05b) into main (cc51859) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #5474      +/-   ##
==========================================
- Coverage   90.84%   90.81%   -0.04%     
==========================================
  Files         193      193              
  Lines       11430    11430              
==========================================
- Hits        10384    10380       -4     
- Misses        824      827       +3     
- Partials      222      223       +1     

Impacted Files	Coverage Δ
pdata/internal/common.go	94.61% <0.00%> (-0.77%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update cc51859...1f3a05b. Read the comment docs.