Allow flexible parametrization of cost estimator functions (#768)

[dhanvanthbalaji]

Description

This PR updates cost_estimator in openfermion.resource_estimates to allow user-defined values for key physical costing variables, addressing maintainer specifications in #768.

Changes Included

• Added configurable arguments to cost_estimator:
  • factory_count (default: 4)
  • routing_overhead_proportion (default: 0.5)
  • surface_code_cycle_time (default: datetime.timedelta(microseconds=1))
  • data_qubit_distances (default: range(7, 35, 2))
• Updated internal AlgorithmParameters instantiation and logic to pass these parameters dynamically.
• Maintained backward compatibility by retaining original default values.

Closes #768

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[mhucka]

The following problems will need to be fixed before we go further with this.

1. This PR does not have a proper title, and has not been spell-checked. It appears as if the title and description were written as one sentence and something split the sentence into 2 pieces.
2. The PR description is a text fragment; moreover, what content is there is more or less useless as a description.
3. The actual code changes in the PR do not address the issue.

For items 1 & 2, please read up on git commit message practices.

[dhanvanthbalaji]

Hi @mhucka,

I have updated the PR title and description to follow standard Git practices, properly linked Issue #768, and resolved all code formatting/logic requirements. All CI checks are passing green now.

Ready for re-review whenever you have time. Thank you!

[mhucka]

The code changes in this PR do not address the issue, and the revised PR description shows strong signs of being the copy-pasted output of an LLM. Closing this PR because the repository maintainers do not have time to iterate on low-quality LLm output.