fix(readme): Update readme documentation: enhance feature summary, update installation instructions and usage examples, remove obsolete config details, and better clarify supported invoice formats.

ts/plugins.ts

@@ -0,0 +1,51 @@
+/**
+ * Centralized imports for all external npm modules
+ * This file serves as a single point of import for all external dependencies
+ * to make the codebase more maintainable and follow the DRY principle.
+ */
+
+// PDF-related imports
+import { 
+  PDFDocument, 
+  PDFDict, 
+  PDFName, 
+  PDFRawStream, 
+  PDFArray, 
+  PDFString,
+  AFRelationship
+} from 'pdf-lib';
+
+// XML-related imports
+import { DOMParser, XMLSerializer } from 'xmldom';
+import * as xpath from 'xpath';
+
+// Compression-related imports
+import * as pako from 'pako';
+
+// Business model imports
+import { business, finance, general } from '@tsclass/tsclass';
+
+// Re-export all imports
+export {
+  // PDF-lib exports
+  PDFDocument,
+  PDFDict,
+  PDFName,
+  PDFRawStream,
+  PDFArray,
+  PDFString,
+  AFRelationship,
+  
+  // XML-related exports
+  DOMParser,
+  XMLSerializer,
+  xpath,
+  
+  // Compression-related exports
+  pako,
+  
+  // Business model exports
+  business,
+  finance,
+  general
+};