feat: add doctor and specialty management modules with full CRUD support and database seeding

sisvietnamvn_main/parse_html_no_bs4.py

@@ -0,0 +1,21 @@
+import re
+
+with open('/home/x79/sisvietnamvn_01/BV_DHYD_HCM/Đội ngũ bác sĩ UMC.html', 'r', encoding='utf-8') as f:
+    content = f.read()
+
+# Try to find <main> tag
+main_match = re.search(r'<main[^>]*>.*?</main>', content, flags=re.DOTALL | re.IGNORECASE)
+
+if main_match:
+    main_html = main_match.group(0)
+    print(f"Found <main> tag! Size: {len(main_html)} bytes")
+    # Save it to a file for easier inspection
+    with open('main_extracted.html', 'w', encoding='utf-8') as out:
+        out.write(main_html)
+    print("Saved to main_extracted.html")
+else:
+    print("No <main> tag found. Looking for #__next")
+    next_match = re.search(r'<div[^>]*id=["\']__next["\'][^>]*>.*?</div><!--', content, flags=re.DOTALL | re.IGNORECASE)
+    if next_match:
+        print("Found __next but regex might not match the whole nested div accurately without an HTML parser.")
+