Feature: add pattern scraper and optimize batch export

- Added Pull Pattern Images tool with parallel background downloading

- Optimized Export Folder Stats to run headlessly (massive speedup)

- Dynamically name exported CSVs based on source folder

- Fixed German CSV localization and UTF-8 BOM

- Updated README and walkthrough

app/lang/de.toml

@@ -69,3 +69,11 @@
 "menu.edit" = "Bearbeiten"
 "menu.view" = "Ansicht"
 "menu.tools" = "Werkzeuge"
+
+"toolbar.pull_patterns" = "Muster-Bilder herunterladen"
+"dialog.puller_title" = "Muster-Bilder herunterladen"
+"dialog.puller_instruction" = "CSGOSkins.gg Artikel-URL einfügen:"
+"dialog.puller_start" = "Download starten"
+"dialog.puller_cancel" = "Abbrechen"
+"dialog.puller_invalid_url" = "Ungültiges URL-Format."
+"dialog.puller_success" = "Alle Muster erfolgreich heruntergeladen!"

app/lang/en.toml

@@ -69,3 +69,11 @@
 "menu.edit" = "Edit"
 "menu.view" = "View"
 "menu.tools" = "Tools"
+
+"toolbar.pull_patterns" = "Pull Pattern Images"
+"dialog.puller_title" = "Pull Pattern Images"
+"dialog.puller_instruction" = "Paste a CSGOSkins.gg item URL:"
+"dialog.puller_start" = "Start Download"
+"dialog.puller_cancel" = "Cancel"
+"dialog.puller_invalid_url" = "Invalid URL format."
+"dialog.puller_success" = "All patterns downloaded successfully!"