Added day of month axis name to all charts.

lib/pages/analytics/widgets/charts_x_axis_title.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+import 'package:syncrow_web/utils/color_manager.dart';
+import 'package:syncrow_web/utils/extension/build_context_x.dart';
+
+class ChartsXAxisTitle extends StatelessWidget {
+  const ChartsXAxisTitle({
+    this.label = 'Day of month',
+    super.key,
+  });
+
+  final String label;
+
+  @override
+  Widget build(BuildContext context) {
+    return Text(
+      label,
+      style: context.textTheme.bodySmall?.copyWith(
+        color: ColorsManager.lightGreyColor,
+        fontSize: 8,
+      ),
+    );
+  }
+}