Prepare documented WhatsApp injector with portable Python bundle

.gitignore

@@ -0,0 +1,24 @@
+# Python and local environments
+__pycache__/
+*.py[cod]
+.venv/
+venv/
+# Runtime data and research output
+analysis/
+exports/
+.whatsapp-*/
+webview2-harmless-test/
+*.zip
+*.partial
+*.report.json
+*-report.json
+contacts*.json
+messages*.json*
+.env
+.env.*
+*.log
+# Editor and OS files
+.vscode/
+.idea/
+.DS_Store
+Thumbs.db