docs: add TSDoc for payment processor + generate docs (#5917)

* added tsdocs for payment processor

* generated reference for payment processor

www/apps/docs/content/references/medusa/classes/medusa.OptionRequirement.mdx

@@ -24,11 +24,30 @@ ___
   },
   {
     "name": "type",
-    "type": "`string`",
+    "type": "[RequirementType](../../entities/enums/entities.RequirementType.mdx)",
     "description": "The type of the requirement",
     "optional": false,
     "defaultValue": "",
     "expandable": false,
-    "children": []
+    "children": [
+      {
+        "name": "MAX_SUBTOTAL",
+        "type": "`\"max_subtotal\"`",
+        "description": "The shipping option can only be applied if the subtotal is less than the requirement's amont.",
+        "optional": true,
+        "defaultValue": "",
+        "expandable": false,
+        "children": []
+      },
+      {
+        "name": "MIN_SUBTOTAL",
+        "type": "`\"min_subtotal\"`",
+        "description": "The shipping option can only be applied if the subtotal is greater than the requirement's amount.",
+        "optional": true,
+        "defaultValue": "",
+        "expandable": false,
+        "children": []
+      }
+    ]
   }
 ]} expandUrl="https://docs.medusajs.com/development/entities/repositories#retrieving-a-list-of-records"/>