chore(core): remove obsolete price fixing command and update .gitignore

Removed the unused `fix_prices` management command to clean up legacy code. Updated `.gitignore` to include vendor documentation files, ensuring the directory is consistent in version control.

.gitignore

@@ -188,6 +188,7 @@ test.ipynb
 .scrapy
 .cover
 .pybuilder/
+engine/core/vendors/docs/*
 
 # Production
 .initialized

engine/core/management/commands/fix_prices.py

@@ -1,28 +0,0 @@
-import logging
-from typing import Any
-
-from django.core.management.base import BaseCommand
-
-from engine.core.models import Product
-from engine.core.vendors import AbstractVendor
-
-logger = logging.getLogger(__name__)
-
-
-class Command(BaseCommand):
-    def handle(self, *args: list[Any], **options: dict[Any, Any]) -> None:
-        self.stdout.write(self.style.SUCCESS("Starting fixing stocks' prices..."))
-
-        for product in Product.objects.filter(stocks__isnull=False):
-            for stock in product.stocks.all():
-                try:
-                    stock.price = AbstractVendor.round_price_marketologically(
-                        stock.price
-                    )
-                    stock.save()
-                except Exception as e:
-                    self.stdout.write(
-                        self.style.WARNING(f"Couldn't fix price on {stock.uuid}")
-                    )
-                    self.stdout.write(self.style.WARNING(f"Error: {e}"))
-        self.stdout.write(self.style.SUCCESS("Successfully fixed stocks' prices!"))