Add mapping for specific item names to URL format

Introduced a lookup object in the formatItemNameToURL function to convert specific item names directly to their corresponding URL strings. This adjustment ensures that certain items are formatted accurately, preventing potential errors in URL generation for these cases.

src/index.ts

@@ -259,6 +259,18 @@ function getGEPrice(itemName: string): number {
 }
 
 function formatItemNameToURL(itemName: string): string {
+    let itemsList = {
+        "Rune arrowheads": "Rune_arrowheads_5",
+        "Magic seed": "Magic_seed_5",
+        "Onyx bolt tips": "Onyx_bolt_tips_5",
+        "Ciku seed": "Ciku_seed_5",
+        "Golden dragonfruit seed": "Golden_dragonfruit_seed_5",
+    }
+
+    let name = itemsList[itemName]
+    if (name) {
+        return name;
+    }
     return itemName.replace(/ /g, "_");
 }