Add inventory management with configurable limits and updater thread

utils/inventory.py

@@ -0,0 +1,15 @@
+import requests
+import os
+
+
+def get_inventory(slug=None):
+
+    url = f"https://data-api.polymarket.com/positions?sizeThreshold=1&user={os.getenv('POLYMARKET_PROXY_ADDRESS')}&mergeable=false"
+
+    response = requests.get(url).json()
+    size = 0
+    for pos in response:
+        if pos and pos.get("slug") == slug:
+            size += pos.get("size")
+            print(pos)
+    return round(size / 5)