Fix badge caching headers for GitHub display

Author: siiddhantt

README.md

@@ -15,20 +15,27 @@ A fast, reusable GitHub profile hit counter that generates beautiful badge image
 Add to your GitHub profile README:
 
 ```markdown
-![Profile Views](https://your-deployed-url.com/badge/your-username)
+![Profile Views](https://githitbox.duckdns.org/badge/your-username)
 ```
 
-Replace `your-username` with your GitHub username and `your-deployed-url.com` with your deployed application URL.
+Replace `your-username` with your GitHub username.
 
 ### Badge Styles
 
 ```markdown
-![Flat](https://your-deployed-url.com/badge/octocat)
-![Plastic](https://your-deployed-url.com/badge/octocat?style=plastic) 
-![Counter](https://your-deployed-url.com/badge/octocat?style=counter)
-![For-the-badge](https://your-deployed-url.com/badge/octocat?style=for-the-badge)
+![Flat](https://githitbox.duckdns.org/badge/octocat)
+![Plastic](https://githitbox.duckdns.org/badge/octocat?style=plastic) 
+![Counter](https://githitbox.duckdns.org/badge/octocat?style=counter)
+![For-the-badge](https://githitbox.duckdns.org/badge/octocat?style=for-the-badge)
 ```
 
+### Live Examples:
+
+![Flat](https://githitbox.duckdns.org/badge/octocat?v=1)
+![Plastic](https://githitbox.duckdns.org/badge/octocat?style=plastic&v=1) 
+![Counter](https://githitbox.duckdns.org/badge/octocat?style=counter&v=1)
+![For-the-badge](https://githitbox.duckdns.org/badge/octocat?style=for-the-badge&v=1)
+
 ## 🛠️ Local Development
 
 ```bash

main.py

@@ -238,9 +238,9 @@ async def get_profile_badge(
         io.BytesIO(img_bytes.read()),
         media_type="image/png",
         headers={
-            "Cache-Control": "no-cache, no-store, must-revalidate",
-            "Pragma": "no-cache",
-            "Expires": "0",
+            "Cache-Control": "public, max-age=60",
+            "Content-Type": "image/png",
+            "Access-Control-Allow-Origin": "*",
         },
     )