RFA (Restricted Filament Annealing)

[hanjinliu]

Instead of running on a 2D graph, we can just apply the same method to 1D graph, i.e., filament.
This PR implements both the frontend and the backend of this method, here we call RFA.

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 8 lines in your changes missing coverage. Please review.

Project coverage is 83.60%. Comparing base (b43d5c9) to head (aff1a5d).

Files	Patch %	Lines
cylindra/components/landscape.py	83.78%	3 Missing and 3 partials ⚠️
cylindra/widgets/sta.py	94.87%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #89      +/-   ##
==========================================
+ Coverage   83.55%   83.60%   +0.04%     
==========================================
  Files         105      105              
  Lines       14912    14968      +56     
  Branches     3153     3168      +15     
==========================================
+ Hits        12460    12514      +54     
- Misses       1630     1632       +2     
  Partials      822      822              

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