Update LICENSE file and add AGPL header to all source files.
AGPLv3 ensures that if someone runs Kafka as a network service and
modifies it, they must release their source code under the same license.
- DuckDuckGo: scrapes Lite HTML endpoint for results
- Language-aware region mapping (de→de-de, ja→jp-jp, etc.)
- HTML parser extracts result links and snippets from DDG Lite markup
- Shared html_helpers.go with extractAttr, stripHTML, htmlUnescape
- GitHub: uses public Search API (repos, sorted by stars)
- No auth required (10 req/min unauthenticated)
- Shows stars, language, topics, last updated date
- Paginated via GitHub's page parameter
- Reddit: uses public JSON search API
- Respects safesearch (skips over_18 posts)
- Shows subreddit, score, comment count
- Links self-posts to the thread URL
- Bing: scrapes web search HTML (b_algo containers)
- Extracts titles, URLs, and snippets from Bing's result markup
- Handles Bing's tracking URL encoding
- Updated factory, config defaults, and config.example.toml
- Full test suite: unit tests for all engines, HTML parsing tests,
region mapping tests, live request tests (skipped in short mode)
9 engines total: wikipedia, arxiv, crossref, braveapi, qwant,
duckduckgo, github, reddit, bing
