fix(#81): no default for deepinfra_model

[h1alexbel]

ref #81

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PR-Codex overview

This PR updates the README.md file by removing the default value for deepinfra_model and providing a link to all available models.

Detailed summary

• Removed default value for deepinfra_model
• Added link to all available models for Deep Infra API

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 57.02%. Comparing base (304fd42) to head (d16d3f6). Report is 10 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #83 +/- ## ========================================= Coverage 57.02% 57.02% Complexity 43 43 ========================================= Files 24 24 Lines 235 235 Branches 5 5 ========================================= Hits 134 134 Misses 98 98 Partials 3 3 ```

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[h1alexbel]

@rultor merge

[rultor]

@rultor merge

@h1alexbel OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@h1alexbel Done! FYI, the full log is here (took me 3min)