Added Invoice Status Select to Project DocType.

custom_ui/install.py

@@ -588,7 +588,15 @@ def add_custom_fields():
                 fieldtype="Check",
                 default=0,
                 insert_after="expected_end_time"
-            )
+            ),
+            dict(
+                fieldname="invoice_status",
+                label="Invoice Status",
+                fieldtype="Select",
+                default="Not Ready",
+                options="Not Ready\nReady to Invoice\nInvoice Created\nInvoice Sent",
+                insert_after="is_scheduled"
+            ),
         ],
         "Project Template": [
             dict(