Added Google Scholar Integration

[xnnxnyx]

Description:
This PR is to integrate Google Scholar functionality into the LangChain JS version, similar to the existing implementation in Python. This will provide tools for querying Google Scholar and handling the results efficiently within the JavaScript ecosystem.

Issue # 7078

Sample Output:

Search Results: [
  {
    "title": "Machine learning algorithms-a review",
    "link": "https://www.researchgate.net/profile/Batta-Mahesh/publication/344717762_Machine_Learning_Algorithms_-A_Review/links/5f8b2365299bf1b53e2d243a/Machine-Learning-Algorithms-A-Review.pdf?eid=5082902844932096t",
    "snippet": "… Here‟sa quick look at some of the commonly used algorithms in machine learning (ML) Supervised Learning Supervised learning is the machine learning task of learning a function …",
    "publication_info": "International Journal of Science and Research (IJSR) …, 2020 - researchgate.net",
    "authors": "",
    "total_citations": 3511
  },
  {
    "title": "Machine learning",
    "link": "https://books.google.com/books?hl=en&lr=&id=2nQJEAAAQBAJ&oi=fnd&pg=PR7&dq=Machine+Learning&ots=fI04V6ZGlo&sig=2yQM3B3GFmiBmM1u03EFKfTsQ7I",
    "snippet": "MIT presents a concise primer on machine learning—computer programs that learn from data and the basis of applications like voice recognition and driverless cars. No in-depth …",
    "publication_info": "2021 - books.google.com",
    "authors": "E Alpaydin",
    "total_citations": 1155
  },
  {
    "title": "Machine learning",
    "link": "https://books.google.com/books?hl=en&lr=&id=ctM-EAAAQBAJ&oi=fnd&pg=PR6&dq=Machine+Learning&ots=o_LjZ4Wz0o&sig=xnCjg2k2aj1DVlo87V2Q6iUXS0w",
    "snippet": "… machine learning. The second part includes Chapters 4–10, which presents some classic and popular machine learning … cover the core topics of machine learning in one semester, and …",
    "publication_info": "2021 - books.google.com",
    "authors": "ZH Zhou",
    "total_citations": 2734
  },
  {
    "title": "Machine learning: Trends, perspectives, and prospects",
    "link": "https://www.science.org/doi/abs/10.1126/science.aaa8415",
    "snippet": "… Machine learning addresses the question of how to build computers that improve … Recent progress in machine learning has been driven both by the development of new learning …",
    "publication_info": "Science, 2015 - science.org",
    "authors": "MI Jordan, TM Mitchell",
    "total_citations": 10150
  }
]

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