Develop

* add livepeer on index.ts as llm provider

* updated livepeer models

* add livepeer as llm provider

* add retry logic on livepeer img gen

* add handlelivepeer

* update test

* add livepeer model keys on .example.env

* Merge pull request #2 from Titan-Node/livepeer-doc-updates

Updated docs for Livepeer LLM integration

* add endpoint on livepeer on models.ts

* edit livepeer model config at model.ts

* Add Livepeer to image gen plugin environments

Fixes this error
```
Error handling message: Error: Image generation configuration validation failed:
: At least one of ANTHROPIC_API_KEY, NINETEEN_AI_API_KEY, TOGETHER_API_KEY, HEURIST_API_KEY, FAL_API_KEY, OPENAI_API_KEY or VENICE_API_KEY is required
    at validateImageGenConfig (file:///root/eliza-test/eliza-livepeer-integration/packages/plugin-image-generation/dist/index.js:38:19)
```

* add comments on livepeer model sizes

* remove retry logic from livepeer generate text and img

* Fixed .env naming convention and fixed mismatch bug within code

* add bearer on livepeer calls

* change in parsing to accomodate for new livepeer update

* addadd nineteen api key on the message

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Co-authored-by: Titan Node <hello@titan-node.com>