Added wildcard feature

[dharshan-0]

Related issue or discussion

Description

It closes #545 by adding wildcard routing feature.

It uses this *param_name to define wildcard.

Route::with_handler_and_name("/random/*path", generate_random, "generate-random"),

Type of change

• Bug fix
• New feature
• Documentation
• Refactor / cleanup
• Performance improvement
• Other (describe above)

Checklist

• I've read the contributing guide
• Tests pass locally (just test-all)
• Code passes clippy (just clippy)
• Code is properly formatted (cargo fmt)
• New tests added (regression test for bugs, coverage for new features)
• Documentation (both code and site) updated (if applicable)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Flag	Coverage Δ
rust	90.29% <100.00%> (+0.03%)	⬆️

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Files with missing lines	Coverage Δ
cot/src/router/path.rs	99.71% <100.00%> (+0.07%)	⬆️

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