Rise fabs when snackbar is shown

lib/widgets/snackbar_fab.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import 'package:linkdy/providers/snackbar.provider.dart';
+
+class SnackbarFloatingActionButton extends ConsumerWidget {
+  final Widget child;
+  final void Function() onPressed;
+
+  const SnackbarFloatingActionButton({
+    Key? key,
+    required this.onPressed,
+    required this.child,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    return AnimatedPositioned(
+      bottom: ref.watch(snackbarProvider).visible == true ? 70 : 20,
+      right: 20,
+      duration: const Duration(milliseconds: 200),
+      curve: Curves.ease,
+      child: FloatingActionButton(
+        onPressed: onPressed,
+        child: child,
+      ),
+    );
+  }
+}