feat: implement dynamic training course tab system and modular PDF data migration scripts

sisvietnamvn_main/parse_pdf_detailed.py

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+import pdfplumber
+import json
+import re
+
+filename = "/home/x79/sisvietnamvn_01/sisvietnamvn_Trang chính thức hiện tại/DaoTao/2.-CHUONG-TRINH-CAN-THIEP-MACH-MAU-THAN-KINH-NANG-CAO-BO-SUNG-FINAL.pdf"
+with pdfplumber.open(filename) as pdf:
+    full_text = ""
+    for page in pdf.pages:
+        full_text += page.extract_text() + "\n"
+        
+    print("Total length:", len(full_text))
+    # Find all headings
+    headings = re.findall(r'^(\d+)\.\s+(.*)$', full_text, re.MULTILINE)
+    print("Headings found:")
+    for h in headings:
+        print(h)