Release 0.4.0 (#923)

.changeset/angry-otters-cough.md

.changeset/five-ants-watch.md

.changeset/giant-buses-breathe.md

.changeset/giant-gorillas-explain.md

.changeset/lovely-emus-camp.md

apps/docs/CHANGELOG.md

apps/docs/package.json

examples/CHANGELOG.md

examples/package.json

packages/autotool/CHANGELOG.md

packages/autotool/examples/02_nextjs/CHANGELOG.md

packages/autotool/examples/02_nextjs/package.json

packages/autotool/package.json

packages/community/CHANGELOG.md

packages/community/package.json

packages/experimental/CHANGELOG.md

packages/experimental/package.json

packages/llamaindex/CHANGELOG.md

...maindex/e2e/examples/cloudflare-worker-agent/CHANGELOG.md

...maindex/e2e/examples/cloudflare-worker-agent/package.json