Add template selection and multiple copy printing features

- Implemented template selection: type 0=OK (green), type 1=NOK (red)
- Added multiple copy printing (1-100 copies)
- Extended file format to 5 fields: ARTICLE;NR_ART;SERIAL;TYPE;COUNT
- Created OK/NOK SVG templates with visual distinction
- Fixed PDF landscape orientation issues
- Updated SumatraPDF to use noscale for exact dimensions
- Auto-generate conf folder with default templates on first run
- Made pystray optional for system tray functionality
- Updated build scripts for Python 3.13 compatibility (Kivy 2.3+, PyInstaller 6.18)
- Added comprehensive build documentation
- Improved printer configuration guidance

test_conf_generation.py

@@ -0,0 +1,63 @@
+"""
+Test script to verify conf folder auto-generation
+Run this to test that conf/ folder is created with default templates
+"""
+
+import os
+import shutil
+
+# Temporarily rename existing conf folder to test auto-generation
+if os.path.exists('conf'):
+    print("Backing up existing conf folder to conf_backup...")
+    if os.path.exists('conf_backup'):
+        shutil.rmtree('conf_backup')
+    shutil.move('conf', 'conf_backup')
+    print("✓ Existing conf folder backed up")
+
+print("\nTesting conf folder auto-generation...")
+print("Starting label_printer_gui initialization...")
+
+# Import the app (this will trigger initialization)
+from label_printer_gui import LabelPrinterApp
+
+# Create app instance (will auto-create conf folder)
+app = LabelPrinterApp()
+
+# Check if conf folder was created
+if os.path.exists('conf'):
+    print("\n✓ SUCCESS: conf folder created")
+    
+    # Check for required files
+    required_files = [
+        'conf/app.conf',
+        'conf/label_template.svg',
+        'conf/label_template_ok.svg',
+        'conf/label_template_nok.svg'
+    ]
+    
+    missing_files = []
+    for file in required_files:
+        if os.path.exists(file):
+            print(f"  ✓ {file}")
+        else:
+            print(f"  ✗ {file} MISSING")
+            missing_files.append(file)
+    
+    if not missing_files:
+        print("\n✓ All required files created successfully!")
+    else:
+        print(f"\n✗ Missing files: {missing_files}")
+else:
+    print("\n✗ FAILED: conf folder not created")
+
+# Restore original conf folder
+print("\nRestoring original conf folder...")
+if os.path.exists('conf_backup'):
+    if os.path.exists('conf'):
+        shutil.rmtree('conf')
+    shutil.move('conf_backup', 'conf')
+    print("✓ Original conf folder restored")
+
+print("\n" + "="*50)
+print("Test complete!")
+print("="*50)