update readme

Author: Aashutosh

README.md

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+<br>
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+## Video Demonstration
+This video guides you through the process of obtaining access tokens in Hydra, an authorization server framework.
+
+- **Exchange Code Flow:** Witness how an authorization code is exchanged for an access token.
+- **Login and Consent Forms:** Explore the user interaction during login and consent for authorization requests.
+- **Utilizing Access Tokens:** Discover how to leverage the acquired access tokens for secured API access.
+
+### By the end of this video, you'll gain a comprehensive understanding of:
+
+- The flow of obtaining access tokens using Hydra.
+- The significance of the exchange code and its role in authorization.
+- How login and consent forms interact with user authentication.
+- Practical applications of access tokens for secure API communication.
+
+<br>
+
+https://github.com/guptaaashutosh/OAuth2.0-with-reverse-proxy/assets/83817233/ea387c73-ef1c-4445-979a-ba565af3681c
+
+
+
+<br><br>
+
 ## Installation
 Follow these steps to install the project dependencies: