Update configuration to support .toml files

[a1-su]

Proposed Changes

This PR updates the configuration options to support .toml files, in addition to the .pylintrc that is currently used. In addition, it updates the tests to add .toml checking.

Type of Change

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Type	Applies?
🚨 Breaking change (fix or feature that would cause existing functionality to change)
✨ New feature (non-breaking change that adds functionality)	X
🐛 Bug fix (non-breaking change that fixes an issue)
♻️ Refactoring (internal change to codebase, without changing functionality)
🚦 Test update (change that only adds or modifies tests)
📚 Documentation update (change that only updates documentation)
📦 Dependency update (change that updates a dependency)
🔧 Internal (change that only affects developers or continuous integration)

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[coveralls]

Coverage Report for CI Build 26826362401

Coverage increased (+0.03%) to 90.726%

Details

• Coverage increased (+0.03%) from the base build.
• Patch coverage: 1 uncovered change across 1 file (24 of 25 lines covered, 96.0%).
• No coverage regressions found.

Uncovered Changes

File	Changed	Covered	%
packages/python-ta/src/python_ta/config/init.py	25	24	96.0%

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	3968
Covered Lines:	3600
Line Coverage:	90.73%
Coverage Strength:	17.62 hits per line

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💛 - Coveralls

[david-yz-liu]

Hi @a1-su, nice work. The changes overall look good. A few general comments:

1. We should update the PythonTA documentation with this new behaviour (accepting toml files, the [tool.python-ta] section, looking for pyproject.toml file by default, anything else).
2. There are a few other places in the code base (e.g., variable names) that refer to pylintrc explicitly. These should be modified to use more general terms for "config files" or something similar.