update: Langchain Tools & 2 Courses

[aryankhanna475]

Adding the following relevant resources in the awesome list.

1. Under Langchain
   Embedchain - 3.9K stars
   It helps create ChatGPT like bots with only a few lines of Code.
   Repo Link: https://github.com/embedchain/embedchain

2. Under Courses and Education Materials

• https://www.cloudskillsboost.google/course_templates/536
• https://www.deeplearning.ai/courses/generative-ai-with-llms/

[filipecalegario]

@aryankhanna475 Thanks for the contribution! I've made the link descriptions a little shorter and adjusted the format.