[ADD] hr_timesheet_work_entry: for Odoo 13

hr_timesheet_work_entry/__init__.py

@@ -0,0 +1,15 @@
+from . import models
+
+
+def ts_work_type_pre_init_hook(cr):
+    """
+    This module installs a Work Entry Type with code "TS"
+    If you have undergone a migration (either for this module
+    or even your own Payslip Work Entry lines with code "TS")
+    then the uniqueness constraint will prevent this module
+    from installing.
+    """
+    cr.execute("UPDATE hr_work_entry_type "
+               "SET code = 'TS-PRE-INSTALL' "
+               "WHERE code = 'TS';"
+               )