Add support for Gemini API?

[Samurai412]

It's the only free to use API, would really be great for ppl seeking to do research in poorer countries

[pinkpikachu]

You can try to PR like #12

[imedly]

Gemini apis no longer working, whenever i have a valid key, i took this error :
Inference Exception: 400 API key expired. Please renew the API key. [reason: "API_KEY_INVALID"
domain: "googleapis.com"
metadata {
key: "service"
value: "generativelanguage.googleapis.com"
}
, locale: "en-US"
message: "API key expired. Please renew the API key."
]
Inference Exception: 400 API key expired. Please renew the API key. [reason: "API_KEY_INVALID"
domain: "googleapis.com"
metadata {
key: "service"
value: "generativelanguage.googleapis.com"
}
, locale: "en-US"
message: "API key expired. Please renew the API key."
]
Inference Exception: 400 API key expired. Please renew the API key. [reason: "API_KEY_INVALID"
domain: "googleapis.com"
metadata {
key: "service"
value: "generativelanguage.googleapis.com"
}
, locale: "en-US"
message: "API key expired. Please renew the API key."

[whats2000]

#73

[SamuelSchmidgall]

Added