Fix case sensitivity in README file references for consistency

.gitea/workflows/update.yaml

@@ -23,5 +23,5 @@ jobs:
         run: |
           git config --local user.email "action@gitea.com"
           git config --local user.name "Gitea Action"
-          git add README.MD
+          git add README.md
           git diff --quiet && git diff --staged --quiet || (git commit -m "Update profile stats" && git push)

update_profile.py

@@ -7,7 +7,7 @@ def generate_stats():
     return f"✅ My Gitea instance is alive and well!\n🕒 Last update: {now}."
 
 def main():
-    readme_path = "README.MD"
+    readme_path = "README.md"
     
     if not os.path.exists(readme_path):
         print(f"{readme_path} not found!")