EcoAccount withdraws

* adds functionality for withdraws from eco accounts in detail view of interventions and eco account as well
* adds get_surface() method to AbstractCompensation class to provide a simple getter for a sql calculation
* adds get_surface_withdraws() method to EcoAccount class to provide a simple getter for a sql calculation
* renames some routes to match coherent rout naming
* adds logic check on NewWithdrawForm
* renames templates/table directory to templates/form, since there are form-table templates inside --> more clarity
* adds new autocomplete routes to konova/urls.py for Interventions and EcoAccounts
* adds/updates translations
* adds/updates template comments
* updates requirements.txt

compensation/urls.py

@@ -36,6 +36,7 @@ urlaptterns_eco_acc = [
 
     # Eco-account withdraws
     path('acc/<id>/remove/<withdraw_id>', eco_account_views.withdraw_remove_view, name='withdraw-remove'),
+    path('acc/<id>/withdraw/new', eco_account_views.new_withdraw_view, name='acc-new-withdraw'),
 
 ]
 urlpatterns_compensation = [