Fix banner image path in README

Author: Amogh-007-Rin

README.md

@@ -1,6 +1,6 @@
 # Stack.Python 🐍
 
-<img src="assets/images/repository-banner.png" alt="Stack.Python logo showing a stylized green snake coiled around three stacked books next to the text Stack.Python with a small snake emoji; white background; friendly and approachable educational tone"></img>
+<img src="assets/images/Repository-Banner.png" alt="Stack.Python logo showing a stylized green snake coiled around three stacked books next to the text Stack.Python with a small snake emoji; white background; friendly and approachable educational tone"></img>
 
 **A 0–100, linear, project-based Python learning sandbox for absolute beginners.**  
 101 modules. 11 milestone projects. Zero assumed knowledge. One clear path from zero to deploy.