refactor(node): move main to its own file and keep run infrastructure reusable

[matan-starkware]

This change is 

[matan-starkware]

• refactor(node): remove test code from production code #876 : 2 dependent PRs (#877 , #880 )
• refactor(node): move main to its own file and keep run infrastructure reusable #874 👈
• refactor(node): split run from main, as it will be used by many binaries #873
• refactor(node): introduce PapyrusTaskHandles to hold task overrides #885
• main

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[codecov]

Codecov Report

Attention: Patch coverage is 41.64456% with 220 lines in your changes missing coverage. Please review.

Project coverage is 74.27%. Comparing base (d450daf) to head (8187ed7).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/papyrus_node/src/run.rs	41.64%	189 Missing and 31 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #874      +/-   ##
==========================================
- Coverage   74.28%   74.27%   -0.01%     
==========================================
  Files         357      358       +1     
  Lines       36280    36285       +5     
  Branches    36280    36285       +5     
==========================================
+ Hits        26950    26951       +1     
- Misses       7190     7195       +5     
+ Partials     2140     2139       -1     

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[dan-starkware]

Reviewed 4 of 4 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @matan-starkware)

[matan-starkware]

Merge activity

• Sep 19, 7:54 AM EDT: @matan-starkware started a stack merge that includes this pull request via Graphite.
• Sep 19, 7:57 AM EDT: Graphite rebased this pull request as part of a merge.
• Sep 19, 8:06 AM EDT: @matan-starkware merged this pull request with Graphite.