Optimize translation module, integrate franc for language detection.

[sajidurdev]

Summary of Changes:

1. Language Detection Module:

• Used Franc as a replacement module for language detection, instead of langdetect.

2. Refactored Language Detection Logic:

• Adapted the procedure in detecting the language to utilize franc (prompt for enhanced precision.

3. Variable Renaming:

• They renamed detectedLangCode into detectedLang to follow consistency and clarity.

4. Error Handling Improvement:

• Error handling when transcribing with franc.

5. Removed Translate Call for Prompt:

• Removed unnecessary English translation of the prompt and reduced the steps involved in the process.

6. Consistent Async/Await:

• Made sure that the async/await was applied uniformly for the asynchronous operations in the entire code.

7. Modularized Code:

• Incorporated distinct duties (translateText, and makeApiRequest) for greater modularity.

8. Error Handling for API Requests:

• Improved error handling when processing failed API requests.

9. Improved Comments:

• Updated or additional clarifying comments about what each function accomplishes, plus flow of the code.

10. Function Renaming:

• Rename the res variable to translatedPrompt for ease of understanding.

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[npmnishantsharma]

1. Franc is an ejs module for which you have to configure it
2. Language code of franc are different from translate-google