refactor: move some fields and widgets around

app/apps/common/widgets/month_year.py

@@ -0,0 +1,16 @@
+from datetime import datetime, date
+
+from django import forms
+
+
+class MonthYearWidget(forms.DateInput):
+    """
+    Custom widget to display a month-year picker.
+    """
+
+    input_type = "month"  # Set the input type to 'month'
+
+    def format_value(self, value):
+        if isinstance(value, (datetime, date)):
+            return value.strftime("%Y-%m")
+        return value