added kofi link

internal/view/baseview/footer.templ

@@ -26,6 +26,15 @@ templ Footer() {
 			</div>
 		</div>
 	</footer>
+	<script src="https://storage.ko-fi.com/cdn/scripts/overlay-widget.js"></script>
+	<script>
+		kofiWidgetOverlay.draw('haelnorr', {
+			'type': 'floating-chat',
+			'floating-chat.donateButton.text': 'Support me',
+			'floating-chat.donateButton.background-color': '#313244',
+			'floating-chat.donateButton.text-color': '#ccd5f3'
+		});
+	</script>
 }
 
 templ backToTopButton() {