feat: improve boolean validator by parsing boolean from string

Author: emyann

src/validation/validators/boolean.validator.ts

@@ -9,6 +9,10 @@ export const BooleanValidator: BooleanValidator = {
   validateAndParse: function(value) {
     if (typeof value === 'boolean') {
       return value;
+    } else if (/true/i.test(value)) {
+      return true;
+    } else if (/false/i.test(value)) {
+      return false;
     } else {
       throw new PropertyValidationError({ value, type: this.type });
     }