* Added Supported Models Free Tier - chat_models.txt
Need to fill in correct Parameter Count.
* Bump perplexity model
closes#1901closes#1900
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Co-authored-by: Tim-Hoekstra <135951177+Tim-Hoekstra@users.noreply.github.com>
* add LLM support for perplexity
* update README & example env
* fix ENV keys in example env files
* slight changes for QA of perplexity support
* Update Perplexity AI name
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Co-authored-by: timothycarambat <rambat1010@gmail.com>