Add an importer for the text format taken as input by flamegraph.pl.

[fqueze]

gradle-profiler can generate these profiles when using the async-profiler format or the jfr format. Example imported profiles for the async-profiler format and for the jfr format.

[codecov[bot]]

Codecov Report

:x: Patch coverage is 97.77778% with 2 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 85.66%. Comparing base (f48e0e0) to head (3358235). :warning: Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
src/profile-logic/import/flame-graph.ts	97.72%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5359      +/-   ##
==========================================
- Coverage   85.66%   85.66%   -0.01%     
==========================================
  Files         313      313              
  Lines       30982    30985       +3     
  Branches     8515     8519       +4     
==========================================
+ Hits        26541    26543       +2     
- Misses       4011     4012       +1     
  Partials      430      430              

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[canova]

I updated the code, rebased it after the TS migration and added some tests. Let me know what you think! Here's an example file that's also included in the branch: flamegraph.txt