refactor(modules): second part of moving files around, changing layout etc

src/utils/background/avif.js

@@ -0,0 +1,15 @@
+const testImage =
+  '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';
+
+/**
+ * It creates a new image element, sets the source to a base64 encoded AVIF image, and then resolves
+ * true if the image loads successfully, or false if it doesn't
+ */
+export const supportsAVIF = () => {
+  new Promise((resolve) => {
+    const image = new Image();
+    image.src = `data:image/avif;base64,${testImage}`;
+    image.onload = () => resolve(true);
+    image.onerror = () => resolve(false);
+  });
+};