feat(components): creado pie de página Footer.vue

src/components/Footer.vue

+<template>
+    <footer class="py-4 bg-footer mt-auto">
+        <div class="container-fluid px-4">
+            <div class="d-flex align-items-center justify-content-between small">
+                <div class="text-muted">Copyright &copy; Mi Cocina Digital 2025</div>
+                <div>
+                    <a href="#">Privacy Policy</a>
+                    &middot;
+                    <a href="#">Terms &amp; Conditions</a>
+                </div>
+            </div>
+        </div>
+    </footer>
+</template>
+
+<style scoped>
+.bg-footer {
+    background-color: #f4f6f5;
+    height: 60px;
+}
+</style>
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