Add warning if zoom to fill is installed

src/utils/compatibility.ts

@@ -0,0 +1,15 @@
+import Config from "../config";
+
+export function runCompatibilityChecks() {
+    if (Config.config.showZoomToFillError) {
+        setTimeout(() => {
+            const zoomToFill = document.querySelector(".zoomtofillBtn");
+    
+            if (zoomToFill) {
+                alert(chrome.i18n.getMessage("zoomToFillUnsupported"));
+            }
+
+            Config.config.showZoomToFillError = false;
+        }, 10000);
+    }
+}