feat: log browser

[BreadGenie]

agent: frappe/agent#143 (will do this later on as there are some perf issues with it)

[codecov]

Codecov Report

Attention: Patch coverage is 2.15827% with 136 lines in your changes missing coverage. Please review.

Project coverage is 39.51%. Comparing base (6b2f07f) to head (f43d9ba).
Report is 17 commits behind head on master.

Files with missing lines	Patch %	Lines
press/api/log_browser.py	0.00%	135 Missing ⚠️
press/press/doctype/bench/bench.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2282      +/-   ##
==========================================
- Coverage   39.65%   39.51%   -0.15%     
==========================================
  Files         375      376       +1     
  Lines       28610    28674      +64     
==========================================
- Hits        11345    11330      -15     
- Misses      17265    17344      +79     

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[adityahase]

Based on the video in https://gameplan.frappe.cloud/g/frappe-cloud/projects/17/discussion/3210/log-browser-updates

• The columns jump around when you switch log levels
• Timestamps look weirdly aligned. Could a monospace font help?