feat: Add logo and banner images to project

- Added banner.png (768KB) for README header
- Added logo.png (751KB) for project branding
- Updated README to display banner
- Removed placeholder comments

Author: Nonanti

README.md

@@ -4,8 +4,7 @@
 [![.NET](https://img.shields.io/badge/.NET-9.0-512BD4)](https://dotnet.microsoft.com)
 [![License](https://img.shields.io/badge/license-MIT-blue)](LICENSE)
 
-<!-- BURAYA BANNER/LOGO GÖRSELİ KOYABİLİRSİN -->
-<!-- ![CodeContext.NET Banner](./assets/banner.png) -->
+![CodeContext.NET Banner](./assets/banner.png)
 
 Ever spent hours explaining your codebase patterns to ChatGPT? Or wished GitHub Copilot understood your team's coding style? **CodeContext.NET** solves that.
 
@@ -21,9 +20,6 @@ That's it. You get a context file ready to paste into any AI chat.
 
 ## Real Example
 
-<!-- BURAYA DEMO GIF KOYABİLİRSİN - Tool'un çalışmasını gösteren -->
-<!-- ![Demo](./assets/demo.gif) -->
-
 Let's say you have this in your codebase:
 
 ```csharp
@@ -63,9 +59,6 @@ You'll get something like:
 
 ## The Output
 
-<!-- BURAYA OUTPUT SCREENSHOT KOYABİLİRSİN - Markdown/JSON çıktısının ekran görüntüsü -->
-<!-- ![Output Example](./assets/output-example.png) -->
-
 Here's what you actually get:
 
 ```markdown