test: add benchmarks

[antongolub]

closes #16

[Copilot]

Pull Request Overview

This pull request adds benchmarking capabilities to compare the performance of the IP address library against other popular alternatives in the ecosystem. The changes include performance optimizations to the IPv4 validation logic and the addition of comprehensive benchmarking infrastructure.

• Optimizes IPv4 format validation using regex for better performance
• Adds benchmarking infrastructure to compare against other IP libraries
• Includes comprehensive performance test scripts and documentation

Reviewed Changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/main/ts/core.ts	Optimizes IPv4 validation with regex pattern matching
target/esm/core.mjs	Compiled output with IPv4 validation optimization
target/cjs/core.cjs	Compiled output with IPv4 validation optimization
src/test/bench/stand/index.ts	Adds benchmarking test suite comparing multiple IP libraries
src/scripts/build-bench-md.ts	New script to generate performance comparison documentation
src/scripts/build-coherence-md.ts	Updates coherence testing to export suites for benchmarking
src/test/js/export.test.js	Adds test for normalizeToLong function export
package.json	Adds browser export field and benchmark build scripts
README.md	Updates documentation to reference benchmark results
COHERENCE.md	Updated coherence comparison with new library entry
BENCHMARK.md	New performance comparison documentation
.size-limit.json	Updates size limits to accommodate new code
.github/workflows/ci.yaml	Re-enables release workflow

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[Copilot]

The variable IPV4_LEN_LIM is referenced but not defined in the visible context. This will cause a runtime error if the constant is not properly defined elsewhere in the file.