Tax calculation issue (#38)

* fix initial tax per item issue

* remove commit in estimate storage

* add changes in tax per item calculation

* add validation on requests

* fix minimum total issue

* fix table pagination filter issue

* minor fix

* remove compound interest and remove unused code

---------

Co-authored-by: yashkanakiya <yashkanakiya281297@gmail.com>
Co-authored-by: dhruvbhattt <dhruvbhatt7790@gmail.com>
Co-authored-by: gdarko <dg@darkog.com>

app/Http/Requests/RecurringInvoiceRequest.php

@@ -43,15 +43,21 @@ class RecurringInvoiceRequest extends FormRequest
                 'nullable',
             ],
             'discount' => [
+                'numeric',
                 'required',
             ],
             'discount_val' => [
+                'integer',
                 'required',
             ],
             'sub_total' => [
+                'integer',
                 'required',
             ],
             'total' => [
+                'integer',
+                'numeric',
+                'max:99999999',
                 'required',
             ],
             'tax' => [