Add VAT ID and Bosnia and Herzegovina country line to supplier block

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

invoicer.py

@@ -17,8 +17,9 @@ from reportlab.pdfgen import canvas
 
 SUPPLIER = {
     "name": "Kompanija Broj 4 D.O.O.",
-    "address_lines": ["Hakije Turajlica 2", "71000 Sarajevo"],
+    "address_lines": ["Hakije Turajlica 2", "71000 Sarajevo", "Bosnia and Herzegovina"],
     "tax_id": "4202962240000",
+    "vat_id": "202962240000",
 }
 
 CUSTOMER = {
@@ -205,6 +206,8 @@ def render_pdf(inv: InvoiceInputs, output_path: Path) -> None:
         c.drawString(margin_l, y, line)
         y -= 12
     c.drawString(margin_l, y, f"TAX ID: {SUPPLIER['tax_id']}")
+    y -= 12
+    c.drawString(margin_l, y, f"VAT ID: {SUPPLIER['vat_id']}")
     y -= 24
 
     bill_top = y