Default runAsWorker to false, update docs and bump version

[koculu]

Motivation

• Make transport worker threads opt-in by changing the global default so transports run on the main thread unless explicitly enabled.
• Align documentation and examples with the new default so users see correct guidance for worker usage.
• Bump package versions to reflect the behavioral change.

Description

• Changed the default for runAsWorker in createLogger by setting DEFAULTS.runAsWorker to false and updating the JSDoc default from true to false in packages/logpot/src/createLogger.ts.
• Updated docs and examples to state that workers are disabled by default and to show how to opt in, editing docs-site/src/content/docs/features.md and docs-site/src/content/docs/overview.mdx.
• Removed a global runAsWorker: true example from the quick-start and adjusted explanatory text to encourage enabling workers only when needed.
• Bumped versions in package.json and packages/logpot/package.json from 1.0.6 to 1.0.7.

Testing

• No automated tests were executed as part of this change.
• Existing tests referencing runAsWorker still pass locally not verified here, and code references were inspected with search to ensure docs and defaults were updated consistently.

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Codex Task