- Add GPT3Tokenizer library for tokenization
- Add a default response when GPT response is empty
- Add a check for blocked words in GPT response
- Change temperature parameter to `0.6`
- Add error handling for OpenAI API request
- Return OpenAI response as a string
- Add check for token limit before adding a user or assistant message
- Delete messages when token limit is exceeded

[src/utils.ts]
- Add the GPT3Tokenizer library for tokenization
- Add a function to calculate the number of tokens in a chat message
- Add a function to check if the number of tokens exceeds the limit for the current model
[src/bot.ts]
- Add a default response when the GPT response is empty
- Add a check for blocked words in the GPT response
[src/openai.ts]
- Change the temperature parameter to `0.6`
- Add error handling for the OpenAI API request
- Return the OpenAI response as a string
[package.json]
- Add `gpt3-tokenizer` package
[src/data.ts]
- Add a check for token limit before adding a user or assistant message
- Delete messages starting from the second one if token limit is exceeded
- Import `isTokenOverLimit` from `./utils.js`
- Remove initialization of `initState`
[package-lock.json]
- Add `gpt3-tokenizer` package
- Add `array-keyed-map` package
- Increase version of `dotenv` package
- Increase version of `openai` package
- Increase version of `google-protobuf` package
- Increase returned recordings from `10` to `100`

Support custom api

✅ Closes: #840