docs: add Perplexica web search provider setup guide#525

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willtwilson wants to merge 2 commits intoLibreChat-AI:mainfrom

willtwilson:feat/perplexica-search-provider

Commits on Mar 8, 2026

docs: add Perplexica web search provider setup guide

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docs: fix port reference, NDJSON description, image tag warning, tables

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