feat: add Tavily as configurable search provider alongside SearXNG#1

tavily-integrations wants to merge 2 commits into

mredvard:mainmredvard/mcp-devtools:mainfrom

Tavily-FDE:feat/tavily-migration/web-search-searxng-to-tavilyTavily-FDE/autopr--fork-mcp-devtools:feat/tavily-migration/web-search-searxng-to-tavilyCopy head branch name to clipboard