bump version to 1.15.2

Merge pull request #98 from firecrawl/cli-implementation

bump version to 1.15.1

Merge pull request #96 from firecrawl/cli-implementation

feat:`firecrawl create agent` command

Nick: fixes when using -k

Merge pull request #93 from firecrawl/firecrawl-build-skills

swap interact example to action-oriented search + filter flow

Merge pull request #92 from firecrawl/firecrawl-build-skills

split next-steps into web vs build sections + friendly install labels

Merge pull request #91 from firecrawl/firecrawl-build-skills

Firecrawl build skills

Merge pull request #89 from firecrawl/firecrawl-build-skills

Firecrawl build skills

Merge pull request #88 from firecrawl/firecrawl-build-skills

strip inherited npm_* env vars before nested npx calls

Merge pull request #87 from firecrawl/firecrawl-build-skills

Firecrawl build skills