feat: initial commit for oil price scraper service

FastAPI-based scraper for commodity ticker prices (HO, CL, RB futures)
and competitor oil pricing from NewEnglandOil. Includes cron-driven
scraping, PostgreSQL storage, and REST endpoints for price retrieval.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

debug_scraper.py

@@ -0,0 +1,26 @@
+
+import requests
+from bs4 import BeautifulSoup
+
+url = "https://www.newenglandoil.com/massachusetts/zone10.asp?x=0"
+headers = {
+    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
+}
+
+try:
+    response = requests.get(url, headers=headers, timeout=15)
+    print(f"Status Code: {response.status_code}")
+    
+    with open("debug_page.html", "w", encoding="utf-8") as f:
+        f.write(response.text)
+    
+    soup = BeautifulSoup(response.content, 'lxml')
+    tables = soup.find_all('table')
+    print(f"Tables found: {len(tables)}")
+    
+    if not tables:
+        print("Preview of content:")
+        print(response.text[:500])
+        
+except Exception as e:
+    print(f"Error: {e}")