Add multi-language support

[goldengrape]

Just translate "Give me the summary of" to the target language

gptQuestion = `Give me the summary of :\n\n${request.content}`

to Chinese:
https://translate.google.com/?sl=auto&text=Give%20me%20the%20summary%20of&op=translate&tl=zh-CN
to Spanish_language
https://translate.google.com/?sl=auto&text=Give%20me%20the%20summary%20of&op=translate&tl=es
....
ISO 639-1 codes list in:
https://en.wikipedia.org/wiki/ISO_639-1

[krlvi]

here's a PR adding a config for the prompt to use #5
This is a flexible approach but not sure if it's the preferred one by @clmnin

[clmnin]

@goldengrape I've merged PR #5 . Let us know if this works for you.

[wenlzhang]

The following two configurations work for me:

• Rewrite this for brevity, translate into Chinese, in outline form:
  • This directly summarizes the article in Chinese, outline form.
• Rewrite this for brevity, in outline form, Chinese translation:
  • This summarizes the article in outline form in English, and adds a Chinese translation below.

[clmnin]

@wenlzhang I've updated the README (added an FAQ) to reflect your prompt.

[clmnin]

This issue was fixed in 1832926