add podcast embed to homepage and edit text

src/pages/index.md

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 Hi there! I am **Nibir Sankar** from Assam, India. I am currently in High School, searching for a meaningful life.
 
-I am a lifelong learner, knowledge seeker and a (future) polymath. I am really interested in philosophy, math and literature. I also love to write (hence, my [blog](/blog/)), read, play music and seek those 1% gains while tweaking my workflows. And I love thinking.
+I am a lifelong learner, knowledge seeker and an aspiring polymath. I am really interested in philosophy, math and literature. I also love to write (hence, my [blog](/blog/)), read, play music and seek those 1% gains while tweaking my workflows. I love thinking, and I love **building**. 
+
+If this short bio was enough to tickle your curiosity, learn more [about me](/about/) (and reach out!). And subscribe to my [newsletter](https://visionoflife.substack.com/) as well!
 
-If you find this short bio enough to tickle your curiosity, learn more [about me](/about/) (and reach out!). You _should_ subscribe to my [newsletter](https://visionoflife.substack.com/) though...
+<u>Listen to my podcast</u> 👇
+
+<iframe style="border-radius:12px" src="https://open.spotify.com/embed/show/3Gwt4r3V3TqPVPYY5fpAB9?utm_source=generator&theme=0" width="100%" height="152" frameBorder="0" allowfullscreen="" allow="autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture" loading="lazy"></iframe>