allow creating anonymized database from command line as well, fixes #200

src/anonymize.js

@@ -0,0 +1,7 @@
+const anonymizationService = require('./services/anonymization');
+
+anonymizationService.anonymize().then(filePath => {
+    console.log("Anonymized file has been saved to:", filePath);
+
+    process.exit(0);
+});