Add language translation feature

[michaeljolley]

Proposed changes

• Support calling our Language Translation Feature
• Developers can utilize language translation feature by specifying language code in query parameter - translate=es
• Update any usage requests that filter by feature to include translate

Context

Allow customers to translate their transcripts in the specified language.

Other information

• Sample URL - https://api.beta.deepgram.com/v1/listen?language=en&translation=es&translation=fr
• Engineering Doc - translate: string corresponding to the language code of the language the client would like their ASR results translated to. translation can be specified multiple times for multiple language codes, resulting in ASR translated to multiple languages. Deduplication will be applied. However, if one requests translation in the same language as their ASR request, a 400 will be returned.

Sample Output

translations: An optional array of translations of the ASR response into different languages. See Translations below for a description of this schema.

 "translations": [
              {
                "translation": "hola",
                "language": "es"
              },
              {
                "translation": "こんにちは",
                "language": "ja"
              }
            ]

[SandraRodgers]

Closing because we don't add beta features to the SDK