update README to reflect Email Validation application details

README.md

@@ -1,6 +1,21 @@
-title: Fb Dl
-emoji: 🏢
-colorFrom: purple
-colorTo: yellow
-sdk: docker
-pinned: false
+---
+title: Email Validation
+emoji: 📧
+colorFrom: blue
+colorTo: green
+sdk: streamlit
+sdk_version: "1.33.0"
+app_file: app.py
+pinned: false
+---
+
+# Email Validation Tool
+
+This Hugging Face Space hosts a simple yet effective Email Validation application built with Streamlit.
+
+## How to Use
+1.  Enter a single email address or upload an Excel/.csv file containing a list of emails.
+2.  The application will validate the emails based on syntax, domain existence, and other checks.
+3.  View the validation results directly in the app.
+
+This application is deployed from the GitHub repository: [sathish-1804/email-validation](https://github.com/sathish-1804/email-validation).