feat: add number/float16/base/from-binary-string

[Erennn7]

• Add function to create half-precision floating-point numbers from IEEE 754 literal bit representations
• Implement main conversion logic with proper handling of sign, exponent, and fraction bits
• Add helper function to convert fraction bit sequences to numeric values
• Include comprehensive test suite covering special values, normal numbers, subnormals, and round-trip conversions
• Add TypeScript definitions and type tests
• Include documentation with usage examples
• Add benchmark and examples files
• Follows same structure and logic as float32/from-binary-string

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type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes. report:

• task: lint_filenames status: passed
• task: lint_editorconfig status: passed
• task: lint_markdown status: passed
• task: lint_package_json status: passed
• task: lint_repl_help status: na
• task: lint_javascript_src status: passed
• task: lint_javascript_cli status: na
• task: lint_javascript_examples status: passed
• task: lint_javascript_tests status: passed
• task: lint_javascript_benchmarks status: passed
• task: lint_python status: na
• task: lint_r status: na
• task: lint_c_src status: na
• task: lint_c_examples status: na
• task: lint_c_benchmarks status: na
• task: lint_c_tests_fixtures status: na
• task: lint_shell status: na
• task: lint_typescript_declarations status: passed
• task: lint_typescript_tests status: passed
• task: lint_license_headers status: passed ---

Description

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This pull request:

• add number/float16/base/from-binary-string

Related Issues

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This pull request has the following related issues:

• #{{TODO: add related issue number}}

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• Read, understood, and followed the contributing guidelines.

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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
number/float16/base/from-binary-string	$\color{green}214/214$ $\color{green}+0.00%$	$\color{green}24/24$ $\color{green}+0.00%$	$\color{green}2/2$ $\color{green}+0.00%$	$\color{green}214/214$ $\color{green}+0.00%$

The above coverage report was generated for the changes in this PR.

[gururaj1512]

Rename toBinaryStringf to toBinaryString and fromBinaryStringf to fromBinaryString

[gururaj1512]

LGTM, to @kgryte.