tools: metrics files visualizer

[algorandskiy]

Summary

Visualize *.metrics files from heapWatch.py. Uses python's dash and plotly libs.

Test Plan

Tested locally.

Run

python3 ./test/heapwatch/metrics_viz.py -d nodedata \
algod_transaction_messages_handled algod_tx_pool_count \
algod_transaction_messages_backlog_size algod_go_memory_classes_total_bytes

Output in a browser:

[codecov]

Codecov Report

Merging #5661 (f77a45a) into master (4ff2bf3) will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5661      +/-   ##
==========================================
+ Coverage   55.13%   55.16%   +0.03%     
==========================================
  Files         465      465              
  Lines       65022    65022              
==========================================
+ Hits        35852    35872      +20     
+ Misses      26780    26765      -15     
+ Partials     2390     2385       -5     

see 7 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[bbroder-algo]

Who is Nick, and why do we have his files