Fixes, pagination for /index and /search, increase max tokens for /search and /index

What's Changed

• Title
• Add sources to a search based on which nodes it has fetched by @Hikari-Haru in https://github.com/Kav-K/GPT3Discord/pull/147

Full Changelog: Kav-K/GPT3Discord@v10.2.0...v10.2.1